Gap Dong - Asian drama recommendation
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Gap Dong(갑동이)

2014South Korea
Criminal Male LeadDeathDetective FictionDetective Male LeadDramaHwaseong Serial MurdersInspired By A True StoryInvestigationMurderMysteryPsychopath Male LeadSuspenseThriller

Moo Yeom works as a detective. Two decades prior, he was a Buddhist monk, but he found himself in a difficult situation involving a man named Gap Dong. In an effort to sever his connection with him and eliminate any negative karma that might stem from their association, Moo Yeom chose to become a detective. Once the statute of limitations had lapsed, Gap Dong resurfaced. Determined to apprehend him for good, Moo Yeom embarks on a mission inspired by the "Hwaseong serial murder case."

Asian dramas like
Gap Dong

Recommendation: The Doll Master (2017) similar to Gap Dong
69%Match
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The Doll Master (2017)(人偶师)

2017China
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysterySuspenseThriller

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 69% similarity match.

In reality, every individual on this planet is like a marionette, with invisible strings controlling their actions. Two decades ago, the renowned psychologist Ouyang Qiu, along with his friend and colleague Ruan Haotian, traveled to Dawn City for a confidential research project. Tragically, Ouyang met his demise by falling from a building, while Dr. Ruan vanished under mysterious circumstances. Subsequently, the project was abruptly terminated. Fast forward twenty years, Ouyang Qiu's son, Ouyang Yiming, has grown up and joined a specialized SCI Team as an agent. When a gruesome mutilation case arises in Dawn City, Ouyang Yiming takes it upon himself to investigate. However, just as he nears a breakthrough, the perpetrator takes their own life, prompting Ouyang to delve deeper into the mystery. As the investigation unfolds, it becomes apparent that Pandora's Box is on the verge of being opened... (Q1Q2)

Recommendation: Cold Case: Shinjitsu no Tobira Season 2 similar to Gap Dong
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Cold Case: Shinjitsu no Tobira Season 2(コールドケース2 〜真実の扉〜)

2018Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerDetective Female LeadFlashback To PastMultiple Mains

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 56% similarity match.

Reboot of the American television show "Cold Case" from 2003.

Recommendation: Keishichou Sousa Ikkachou (2016) similar to Gap Dong
54%Match
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Keishichou Sousa Ikkachou (2016)(警視庁・捜査一課長)

2016Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMystery

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 54% similarity match.

The Tokyo Metropolitan Police Department's First Investigative Division is known as the top-performing unit within the department. Headed by Oiwa Junichi, this division consists of approximately 400 skilled detectives. Junichi carries a significant burden as he is responsible for leading initial investigations into all violent crimes in the city, coordinating various task forces, and actively participating in investigations when needed. Despite facing challenges, Junichi manages to fulfill his duties and is seen as a realistic hero and exemplary leader by his team members.

Recommendation: Cold Case: Shinjitsu no Tobira similar to Gap Dong
53%Match
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Cold Case: Shinjitsu no Tobira(コールドケース ~真実の扉~)

2016Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerDetective Female LeadEpisodic FormatMiniseriesPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 53% similarity match.

Yuri Ishikawa and her colleagues work on solving long-standing unsolved cases in Kanagawa Prefecture, Japan. This project is inspired by the American television show "Cold Case" from 2003.

Recommendation: Ryojin no Ono similar to Gap Dong
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Ryojin no Ono(両刃の斧)

2022Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerNovel AdaptationMiniseriesPolice Officer Male LeadRevenge

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 53% similarity match.

Detective Shibasaki Sachio's daughter, who was a member of the First Investigation Division, is tragically murdered. Together with Kawasumi Shigekatsu, a young detective who looks up to Shibasaki as a mentor, they try to uncover the truth behind the heinous crime. Despite their efforts, the case remains unsolved. Fast forward 15 years, Shibasaki is now retired and caring for his sick wife, Miwako. Things take a turn when a new unit is formed to reinvestigate cold cases, with Kawasumi joining the team. As they revisit the case, a suspect emerges, leading Shibasaki to seek justice on his own. A fateful phone call sets off a chain of events that ultimately lands him in a difficult situation. (jdramas.wordpress.com)

Recommendation: The Burning River similar to Gap Dong
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The Burning River(迷雾追踪)

2020China
DeathDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerBased On A True StoryPolice Captain Female LeadPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 50% similarity match.

In a small town in Xinan, there have been two puzzling incidents that have left the community baffled. A female police captain teams up with a young detective to investigate these mysteries. Despite an apparent motive, they uncover a web of hidden truths. One of the cases involves a late-night ride booked through an online platform that takes a dangerous turn. As more clues come to light, the investigations become more complex and intertwined. In a race against time to find the real perpetrator, the past, present, and future of the town are closely interconnected through the unfolding events.

Recommendation: Last One Standing (2008) similar to Gap Dong
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Last One Standing (2008)(與敵同行)

2008Hong Kong
DeathDramaInvestigationMurderMysterySuspenseThrillerWrongfully Accused

Like Gap Dong, this drama also features Death, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Cheung Sing Hei served time in prison after being convicted of killing his stepfather. Surprisingly, his cousin Tong Lap Yeen was the main witness in the case. After a decade behind bars, Sing Hei is released, only to find that Lap Yeen has become a prominent figure in the city, while his own reputation is tarnished. Feeling frustrated and suspicious about the events of ten years ago, Sing Hei is determined to uncover the truth behind his stepfather's murder. Through his own investigation, he identifies the true culprit, but struggles to find a motive or concrete evidence. This is a story of Sing Hei's quest to reveal the truth and clear his name.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 5 similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 5(警視庁捜査一課9係 5)

2010Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 50% similarity match.

Recommendation: Specialist (2016) similar to Gap Dong
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Specialist (2016)(スペシャリスト)

2016Japan
Detective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerMiniseries

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 50% similarity match.

A decade ago, Takuma Yoshito was arrested and charged with attempted murder. Despite receiving a 15-year prison sentence, evidence later revealed that he was wrongly accused, leading to his exoneration. Subsequently, Takuma was reinstated to the Kyoto Prefectural Police due to his expertise in criminal psychology. He then transferred to Tokyo, where he joined a newly formed unit without a designated name. Motivated by the tragic death of a significant individual, Takuma decides to join the Tokyo Metropolitan Police Department to uncover a major conspiracy. He partners with a young female detective named Maria, who harbors a secret and happens to be the niece of the Commissioner General of the National Police Agency.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 11 similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 11(警視庁捜査一課9係 11)

2016Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 50% similarity match.

The ninth sub-division of the Criminal Investigation First Division returns for a new season with a 2-hour special episode focusing on the mysterious death of a person wearing a mascot costume and the murder of a horticulturist trying to cultivate a unique type of blue tulips

Recommendation: Shinhannin similar to Gap Dong
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Shinhannin(真犯人)

2018Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThriller1980sNovel AdaptationMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 50% similarity match.

In 2008, there was a tragic incident involving the death of Sudo Isao, a dealer of pre-owned cars, in Shizuoka Prefecture. Detective Kusaka Satoru, working at Susuno Precinct of the Shizuoka Prefectural Police, begins investigating Sudo's background. Through his investigation, Kusaka discovers that Sudo had a son named Obata Mamoru from a previous marriage, who was tragically killed in a kidnapping case in Shizuoka back in 1974. In 1988, a special task force was established by the Shizuoka Prefectural Police, led by police chief Hashibami Yasuhide, just before the statute of limitations on the kidnapping case expired. Shigeto Seiichiro, a non-career officer who had risen to the position of superintendent, was appointed as the director of this task force, which consisted of six skilled detectives, to re-investigate the case. Kusaka is puzzled as to why Sudo, who had been living in Tokyo for over two decades following his son's death, was murdered in Shizuoka Prefecture. He believes that revisiting the kidnapping and murder of Sudo's son will bring clarity to the current case. Kusaka seeks help from Shigeto, who had left the police force long ago, and together they reach out to Mamoru's mother, Saeko, and her sister, Rie, as they get closer to uncovering the true culprit.

Recommendation: Detective Fiction similar to Gap Dong
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Detective Fiction(侦探小说)

2010China
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerChinese Republican EraHistoricalHistorical FictionSerial Killings

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Set in the 1940s, this thrilling detective story involves eerie anonymous novels foretelling the murderous deeds of a real serial killer. The characters must navigate through a web of conspiracy, traps, and murder by relying on their sharp logical reasoning skills.

Recommendation: Hakubo no Chronicle similar to Gap Dong
47%Match
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Hakubo no Chronicle(白暮のクロニクル)

2024Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerAttempted MurderFantasyInchoate CrimeVampire Male Lead

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Yukimura Kai is an ageless vampire who appears to be 18 years old but is actually 88 years old

Recommendation: Mikkoku wa Utau similar to Gap Dong
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Mikkoku wa Utau(密告はうたう)

2021Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerNovel AdaptationDeath Of A Co-workerMiniseriesTorture

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Sara Masaki, a detective in Investigation Team 1 at the Tokyo Metropolitan Police Department, faces the tragic loss of his colleague, Detective Saito Kota, during a murder investigation. Following this, Masaki is reassigned to Personnel Department 1 within the Inspection Division, still grappling with the death of his coworker. Despite his grief, Masaki encounters hostility from his coworkers. When a mysterious letter arrives at the personnel department accusing Detective Minaguchi Nako of leaking confidential information, Masaki launches his own investigation. This leads him to delve into the unresolved case of his colleague's death.

Recommendation: Interlaced Scenes similar to Gap Dong
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Interlaced Scenes(错位)

2024China
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerNovel AdaptationDetective Female LeadFictional WorldWeb Series

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Detectives Jiang Guang Ming and Shi Luo are tasked with investigating a case that appears to mirror the crime scene described in a novel penned by Gu Yu Ming. As they delve deeper into the investigation, the lines between fiction and reality blur. Could this uncanny resemblance be purely coincidental?

Recommendation: Malice (2023) similar to Gap Dong
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Malice (2023)(MALICE)

2023Japan
DeathDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerMiniseriesProfessor Female LeadReporter Male LeadWeb Series

Like Gap Dong, this drama also features Death, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Kozono Yohei, the secretary general of Shoto University, was discovered dead from stab wounds in his residence. Hoshino Naoto, a detective at Fujimi Police Station, hurries to the crime scene and observes the murder scene in the living room. Tanimura Kaho, a lecturer in the Department of International Studies at Shoto University, is determined to advance in life by any means necessary and has been involved in a romantic relationship with Kozono, who oversees personnel matters, for six months. Following Kozono's murder, Kaho is taken into custody as the prime suspect. Meanwhile, journalist Maruyama Sota receives details about the affair through an anonymous email and suspects that someone is trying to manipulate the narrative of the incident. He initiates his own inquiry. Amidst this, Hoshino grows uneasy with the investigative approach taken by senior police officials, who hastily conclude that Kaho is the perpetrator. He eventually comes to the realization that Kaho may have been set up by someone.

Recommendation: Ghost similar to Gap Dong
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Ghost(유령)

2012South Korea
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerCorruptionHidden IdentityPolice Department SettingSmart Male Lead

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Kim Woo Hyun is the sole child of a senior police official. He enrolled in the police academy, achieving the top rank, and graduated with the highest honors as well. Following this, he became a detective in the cyber investigation unit. Woo Hyun dedicates his efforts to uncovering the hidden truths of individuals lurking in the digital realm.

Recommendation: The Twelfth Second similar to Gap Dong
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The Twelfth Second(第十二秒)

2021China
DeathDetective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerNovel AdaptationDeath Of A WifeDisappearanceRomance

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Detective Zhao Yi Chen's pregnant wife, Hu Jia Ying, vanishes suddenly, leaving only an 11-second distress call. Nearly a decade later, he is led to a stranger's house by a letter, discovering that his wife passed away a year prior and left behind a silent 9-year-old daughter. The series delves into Zhao Yi Chen's emotional journey with Hu Jia Ying and his quest to unravel the mysterious circumstances surrounding her death, unveiling shocking revelations about her past.

Recommendation: The Truth (2020) similar to Gap Dong
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The Truth (2020)(凶案现场)

2020China
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerNovel AdaptationRevengeSmart Male LeadWeb Series

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

The ongoing investigation into a homicide from a decade ago exposes the depths of human depravity and reveals a carefully orchestrated act of vengeance. Feng Lang, a brilliant detective, uncovers a disturbing plot linked to a pharmaceutical company from the past while working on various cases. Teaming up with the youthful officer Fan Yun and a team of investigators, they must use their intellect and determination to unravel the enigma.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 12 similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 12(警視庁捜査一課9係 12)

2017Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryMiniseriesPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 47% similarity match.

The leader of the First Division 9th Sub-division is currently on a unique assignment, so an experienced teacher from the section's coroner has arrived to take his place

Recommendation: Double Tap (2021) similar to Gap Dong
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Double Tap (2021)(双探)

2021China
Detective FictionDetective Male LeadInspired By A True StoryInvestigationMysterySuspenseThrillerKidnappingWeb Series

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Inspired By A True Story, Investigation, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Li Hui Yan, a clever police detective in Beijing, constantly struggles with financial difficulties while residing in a humble traditional community with his teenage son

Recommendation: Phoenix Rising similar to Gap Dong
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Phoenix Rising(蘭花劫)

2008Hong Kong
DeathDramaInvestigationMurderMysterySuspenseThrillerCrimePrison Setting

Like Gap Dong, this drama also features Death, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Crystal, Louisa, and Leila grew up as siblings after being orphaned at a young age. Each of them was adopted into different families with diverse backgrounds. When Louisa was imprisoned for a crime she committed, Crystal took the blame to protect her sister. Leila, known for her kindness, attempted to help by falsifying evidence but ended up being incarcerated as well. Tensions between the three sisters and the prison owner escalate, leading to a desire for revenge. This series delves into the underworld of women in prison, exploring their struggles and conflicts.

Recommendation: Iryu Sosa similar to Gap Dong
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Iryu Sosa(遺留捜査)

2011Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryDetective Supporting CharacterEccentric Male Lead

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 47% similarity match.

In the First Investigation Scientific Criminal Unit of the Metropolitan Police Department, lead investigator Satoshi Itomura is known for his thoroughness in investigating crime scenes to catch the culprits. Rookie investigator Miyuki Oda may not have the natural instincts of a detective, but she excels in gathering crucial information from crime scenes. Under the guidance of Satoshi Itomura, Miyuki Oda learns the intricacies of detective work while working together on challenging cases.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 7 similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 7(警視庁捜査一課9係 7)

2012Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryMiniseriesPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 47% similarity match.

Before becoming police officers, each member of the Ninth Section of the First Investigative Division faces personal challenges and difficulties. Despite their individualistic nature leading to conflicting approaches in investigations, they are bound together by a shared commitment to justice. While their actions may seem disjointed, they all dedicate themselves to apprehending criminals and tackling complex cases with unwavering determination.

Recommendation: Mottomo Tooi Ginga SP similar to Gap Dong
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Mottomo Tooi Ginga SP(最も遠い銀河)

2013Japan
DeathDramaInvestigationMurderMysterySuspenseThrillerNovel AdaptationMiniseries

Like Gap Dong, this drama also features Death, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

Detective Seiichiro Watari from the Otaru Police Precinct in Hokkaido is retiring soon with unresolved business from seven years ago. The unidentified skeleton of a woman was discovered in the sea of Otaru, halting the investigation. Watari is determined to identify her before leaving the precinct. Three years after retirement, he stumbles upon a clue that could solve the case, despite his limited life expectancy. With the help of detective Kaoru Saotome, he begins reinvestigating, much to the dismay of his wife Suzuko. They travel to Tokyo to meet a jewelry designer who provided a clue, but she has mysteriously disappeared. Watari's obsession with the case stems from the tragic drowning of his daughter Kozue 20 years ago. As he delves deeper, he encounters architect Haruyuki Kiryu, whose connection to the case remains unclear. Kiryu is determined to succeed in his company, even as he becomes involved with Akane Seike, the president's daughter who bears a striking resemblance to his deceased girlfriend. Their entangled fates lead to a dangerous pursuit of ambition and truth.

Recommendation: Otto yo, Shinde Kurenai ka similar to Gap Dong
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Otto yo, Shinde Kurenai ka(夫よ、死んでくれないか)

2025Japan
DeathDramaInvestigationMurderMysterySuspenseThrillerNovel AdaptationRevenge

Like Gap Dong, this drama also features Death, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 47% similarity match.

As they entered their late thirties, Komoto Maya, Kagami Riko, and Sakaki Yurika realized they regretted marrying for the sake of happiness. They started to feel the limitations of their careers and questioned the direction of their lives. These three college classmates often went out for drinks together, sharing complaints about their husbands and releasing their pent-up frustrations. One fateful evening, Maya and Riko were summoned to Yurika's home, where she shockingly confessed, "I have killed my husband!" Subsequently, Maya's husband mysteriously disappeared, setting off a chain of events that would alter the destinies of these three women. Thus begins the tale of their vengeance as they strive to reclaim the happiness stolen from them by their marriages.

Recommendation: National Heroes similar to Gap Dong
46%Match
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National Heroes(国门英雄)

2011China
Detective FictionDetective Male LeadInvestigationMysterySuspenseThriller

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 46% similarity match.

Centers on the inquiry into the "506 Extraordinary Magnesium Smuggling Case"

Recommendation: Detective Cheng Xu similar to Gap Dong
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Detective Cheng Xu(侦探成旭之龙城岁月)

2008China
Detective FictionDetective Male LeadInvestigationMysterySuspenseThriller

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 46% similarity match.

Recommendation: Beneath the Undertow similar to Gap Dong
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Beneath the Undertow(暗潮缉凶)

2025China
DeathDetective Male LeadDramaInvestigationMurderMysterySuspenseThrillerDifferent TimelinesFlashback To PastInvestigator Male LeadSecretWeb Series

Like Gap Dong, this drama also features Death, Detective Male Lead, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

In the once-thriving state-owned Asahi Factory, the remains of a female college student, whose foot has been severed, are inadvertently discovered in an abandoned sewage tank. The victim, identified as Shen Xiao Zhou, is the daughter of an employee at the factory. Lian Hai Ping, the leader of the criminal police team, is assigned to look into the matter. On the first day of the case, Shi Qiang Feng, a young criminal officer who reported the incident, finds himself unexpectedly placed on Lian Hai Ping's investigative team. This unforeseen case propels both of them into a fateful quest to track down the perpetrator. Concurrently, the investigation stirs up a concealed past within Lian Hai Ping's memory, while his new partner, Shi Qiang Feng, appears to harbor his own secrets. Throughout the inquiry, Lian Hai Ping uncovers that a mysterious force is orchestrating events surrounding the case. A partner with an enigmatic background, a first love tragically lost, a deeply entrenched entrepreneur, and a once-bustling factory area now in decline... This investigation weaves together truths that link the past and the future. The haze begins to lift, but the currents underneath are already in motion.

Recommendation: Strange Chronicles of Tang similar to Gap Dong
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Strange Chronicles of Tang(唐诡奇谭)

2025China
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerHistoricalPhysically Strong Male LeadSmart Male LeadTang DynastyTeamwork

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

In the flourishing and magnificent early days of the Tang Dynasty, the nights in Chang'an were cloaked in malevolence and vice. Beneath the extraordinary and vibrant spectacles, various unusual events transpired, while concealed threats awaited those who were pursued amid the violence and slaughter. A narrative from this affluent period, revealing its enigmas.

Recommendation: Keibuho Yabe Kenzo - Zunou vs Zumou similar to Gap Dong
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Keibuho Yabe Kenzo - Zunou vs Zumou(警部補 矢部謙三~人工頭脳VS人工頭毛~)

2017Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerComedyLocked Room MysteryParodyPolice Department SettingShort Length Series

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

The confident Yabe Kenzo, who has been unintentionally solving complex cases through a mix of fortunate events and confusion, is back with his colleague Akiba Harando, a tech-savvy individual. Despite Akiba's willingness to endure Yabe's behavior, a new development arises in their partnership. Yabe faces off against his toughest competitor yet - the brilliant scientist Deep Manabu, creator of "God Eye Joe," an AI system tailored for criminal inquiries. Deep Manabu has been successfully resolving cases that even the FBI and Scotland Yard couldn't crack. He announces his intention to use it to apprehend a notorious killer known as the "referee of the dark," a criminal that has evaded the Japanese police. With no other options, the police commissioner assigns Yabe as the lead investigator to shift blame. Unaware of this, Yabe travels to a hot spring area where the "referee of the dark" has been sighted. A landslide occurs, isolating an inn from the outside world. A guest at the inn, a company president, is murdered. Yabe, along with the inn's owner Yamakawa Tamao and other guests, split up to search for clues. They discover the killer's belongings in the nearby woods, prompting Yabe and Akiba to give chase. Meanwhile, Deep Manabu is analyzing the case from afar. A battle of wits is set to unfold between the man in disguise and the individual utilizing artificial intelligence to track down this elusive murderer.

Recommendation: Voice: 110 Emergency Control Room similar to Gap Dong
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Voice: 110 Emergency Control Room(ボイス 110 緊急指令室)

2019Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysterySuspenseThrillerActionCriminal Profiler Female LeadEmotionally Strong Female LeadEmotionally Strong Male LeadPolice Call Center Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

Detective Shogo Higuchi's wife was killed by a notorious murderer, while Hikari Tachibana, a voice profiler with exceptional auditory abilities, lost her father to a tragic incident. Victims in need of help contact #110, which is linked to the emergency control center. In order to swiftly rescue those in danger, an "emergency call response unit" is established. Hikari Tachibana utilizes her unique hearing skills at the control center to gather crucial location details from callers, which she then relays to Detective Shogo Higuchi and his team in the response unit. Together, they race against time to save the victims during the critical first hour of a crime.

Recommendation: Red Eyes: Kanshi Sousa-han similar to Gap Dong
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Red Eyes: Kanshi Sousa-han(レッドアイズ 監視捜査班)

2021Japan
DeathDetective FictionDramaInvestigationMurderMysterySuspenseThrillerFormer Detective Male LeadHacker Supporting CharacterInvestigator Male LeadRevengeSerial Killings

Like Gap Dong, this drama also features Death, Detective Fiction, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

The Investigation Support Analysis Centre of the Kanagawa Prefectural Police utilizes big data in criminal investigations, including footage from approximately five million surveillance cameras nationwide. Fushimi Kyosuke, a special investigator and former detective from the First Investigation Division, leads the team. He is driven by the murder of a loved one by a serial killer. The team also consists of a seasoned profiler, a single mother with a military background, and a young hacker prodigy. While they may appear to be an exceptional team, each member has a troubled past involving criminal activities.

Recommendation: The Conspirators similar to Gap Dong
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The Conspirators(同谋者)

2016China
Detective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerChinese Republican EraHistoricalHistorical Fiction

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

Lei Ming, a detective working in the Republic of China, uncovered a puzzling case involving theft and vandalism three decades ago, which ended up implicating him in the investigation.

Recommendation: Crimson River similar to Gap Dong
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Crimson River(非常目击)

2020China
DeathDramaInvestigationMurderMysterySuspenseThrillerPolice Officer Male LeadReturn To HometownWeb Series

Like Gap Dong, this drama also features Death, Drama, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 44% similarity match.

A cold case involving the murder of a young girl resurfaces two decades later, stirring up memories in a tranquil town. Shan Feng, who had witnessed the crime in the past, comes back to the town as a police officer, haunted by the painful recollections. Determined to uncover the truth, he finds that everyone connected to the case has experienced significant transformations.

Recommendation: Paranormal Mind similar to Gap Dong
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Paranormal Mind(開腦儆探)

2015Hong Kong
Detective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerSci-FiSupernaturalSupernatural Power

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

In a detective series with a supernatural theme, the focus is on exploring mysterious cases using scientific concepts and realistic methods instead of traditional ghosts and spirits. The story follows Hung Gei Yuen, a former high-ranking police inspector who gains the unique ability to enter other people's subconscious after the tragic death of his son, which he believes was a murder hidden within the depths of the mind. As he delves into the hidden subconscious, he also grapples with a split personality, all while trying to uncover the truth behind his son's death. Each character in the series possesses a special ability, despite being considered abnormal or weird by society, they use these abilities to solve various enigmatic cases without letting it affect their self-esteem.

Recommendation: Quiz similar to Gap Dong
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Quiz(QUIZ)

2000Japan
Detective FictionDetective Male LeadDramaInvestigationMysterySuspenseThrillerFamilyGameKidnapping

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

A mother's son is taken, with the only hint being a message that begins with "This is a test." The story unfolds rapidly and with flair as lead detective Kaoru Kiriko from the Special Investigation Team follows a series of challenging puzzles that appear to taunt the authorities. Kaoru, with her sharp instincts, matches wits with the kidnapper, but as she gets nearer to the truth, she realizes she is the one being pursued, not the pursuer.

Recommendation: Iryu Sosa Season 2 similar to Gap Dong
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Iryu Sosa Season 2(遺留捜査 第2シーズン)

2012Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryDetective Supporting CharacterEccentric Male LeadMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 44% similarity match.

After being reassigned from the Metropolitan Police Department First Investigation, Satoshi Itomura finds himself working at the Tsukishima Police Station. A shocking incident unfolds in the typically tranquil Tsukishima District when Megumi Kagami, a colleague at the station, is abducted. The situation escalates when Megumi's father, Kyo Kagami, receives a threatening phone call regarding his daughter's safety. Concerned for Megumi's well-being, Satoshi rushes to Kyo's home to offer his assistance. The kidnapper sends a distressing video showing Megumi unconscious, putting her at risk due to a recent kidney transplant. As the investigation unfolds, Chief Detective Kyoko Mizusawa and Yuji Sakuma take charge while Satoshi delves into a mysterious article discovered at the crime scene. Despite facing resistance from Detective Masayoshi Machida, Satoshi enlists the help of Shigeru Muraki to analyze the item. The analysis reveals a connection to a past case involving Kyo Kagami, prompting Satoshi to suspect a link between the current kidnapping and events from five years ago.

Recommendation: Iryu Sosa Season 3 similar to Gap Dong
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Iryu Sosa Season 3(遺留捜査 第3シーズン)

2013Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryDetective Supporting CharacterEccentric Male LeadMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 44% similarity match.

Detective Satoshi Itomura has a tendency to work at his own speed, but his sharp eye for detail and unwavering resolve to solve cases make up for it

Recommendation: Iryu Sosa Season 4 similar to Gap Dong
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Iryu Sosa Season 4(遺留捜査 第4シーズン)

2017Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryDetective Supporting CharacterEccentric Male LeadMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 44% similarity match.

Itomura Satoshi has returned, this time in Kyoto with a fresh team. He has joined the 1st Investigation Division of the Kyoto Prefectural Police Station, where they handle the most challenging cases.

Recommendation: Iryu Sosa Season 5 similar to Gap Dong
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Iryu Sosa Season 5(遺留捜査 第5シーズン)

2018Japan
DeathDetective FictionDetective Male LeadDramaInvestigationMurderMysteryDetective Supporting CharacterEccentric Male LeadMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Drama, Investigation, Murder, and Mystery themes with a 44% similarity match.

Nagatsu Ryoko, an employee of the Agency for Cultural Affairs, was discovered deceased in the mountains. A month prior, she had come across a Buddha statue at a shrine in the mountains. While initial reports suggested her death was accidental, investigator Itomura Satoshi believes there is more to the circumstances surrounding her demise.

Recommendation: Keiji no Genba Season 2 similar to Gap Dong
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Keiji no Genba Season 2(刑事の現場2 )

2009Japan
Detective FictionDetective Male LeadInvestigationMysterySuspenseThrillerMiniseries

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 43% similarity match.

This tale follows a young detective and a seasoned detective who hold contrasting values, as they strive to maintain their professional integrity. Keigo is partnered with Umeki, an adept but obstinate detective on the verge of retiring. The story unfolds as the young detective navigates his career while clashing with Umeki, questioning whether to show compassion towards criminals or to treat them with animosity.

Recommendation: The Appearance of the Murderer similar to Gap Dong
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The Appearance of the Murderer(凶手的样子)

2024China
DeathInvestigationMurderMysterySuspenseThrillerWeb Series

Like Gap Dong, this drama also features Death, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 43% similarity match.

Haunted by the mysterious death of a fellow student, Lin Chuan dedicates a decade to uncovering the truth. In parallel, Shen Xia and her sibling Shen Dong find themselves entangled in the criminal underbelly following a personal loss. Their fates collide, leading to a gripping narrative of justice versus crime, intertwined with themes of love, hatred, and vengeance. (Credit: TMDb)

Recommendation: Brutally Young similar to Gap Dong
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Brutally Young(十八年後的終極告白)

2020Hong Kong
DeathInvestigationMurderMysterySuspenseThrillerCrime

Like Gap Dong, this drama also features Death, Investigation, Murder, Mystery, Suspense, and Thriller themes with a 43% similarity match.

Nearly two decades ago, a group of seven teenagers from the same neighborhood got into a heated argument with a villager named Kai Sze, resulting in a tragic death. In a panic, they decided to bury the body and keep the incident a secret. As time passed, they all moved on with their lives, only for the truth to resurface when Kai Sze's body was found. Inspector Yuen Lai Ken took on the case and began unraveling the mystery, revealing shocking connections along the way. With pressure mounting, the teenagers faced a difficult choice: confess to their crime or continue living with the burden of their secret. As relationships became entangled and the true culprit lurked in the shadows, the group found themselves at a crossroads, unsure of which path to take.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 3 (2008) similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 3 (2008)(警視庁捜査一課9係 season3)

2008Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysteryMiniseries

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, and Mystery themes with a 43% similarity match.

The Criminal Investigation Division 1-9 is a specialized unit tasked with solving complex and seemingly impossible murders and crimes in the city. They are known as the most formidable team in Tokyo, comprised of top experts in the field. Unlike other units, they prioritize individual judgment and action over strict hierarchy or physical prowess. Despite not holding traditional investigation meetings, they have an impressive track record with the highest arrest rate for criminals.

Recommendation: Keiji no Genba similar to Gap Dong
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Keiji no Genba(刑事の現場 )

2008Japan
Detective FictionDetective Male LeadInvestigationMysterySuspenseThrillerMiniseries

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 43% similarity match.

In a television series, a new police officer joins forces with an experienced detective to form a strong bond while facing challenges together. Keigo begins working at a nearby police precinct and is paired with Shoichi, a seasoned detective who is reserved but kind-hearted and nearing the end of his career. The show depicts the growth of the young detective as he navigates his career alongside the veteran detective and others involved in their cases.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 4 similar to Gap Dong
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Keishicho Sosa Ikka 9-Gakari Season 4(警視庁捜査一課9係 4)

2009Japan
DeathDetective FictionDetective Male LeadInvestigationMurderMysteryPolice Department Setting

Like Gap Dong, this drama also features Death, Detective Fiction, Detective Male Lead, Investigation, Murder, and Mystery themes with a 43% similarity match.

Inaba Marie, a well-known female fortune teller, is found dead, and a list of clients containing the names of influential politicians is discovered at the crime scene. Kano Rintaro, Asawa Naoki, and the Ninth Sub-division team launch an investigation into the murder. The first person to come across the body is revealed to be the daughter of a government official, but Hayasegawa Masumi, the coroner, uncovers a surprising link between the fortune teller and Asawa. Masumi shows a strong preference for communicating with the deceased rather than engaging in conversations with the living, including Kano.

Recommendation: Chase (2010) similar to Gap Dong
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Chase (2010)(チェイス~国税査察官~)

2010Japan
Detective FictionDramaInvestigationMysterySuspenseThrillerMiniseries

Like Gap Dong, this drama also features Detective Fiction, Drama, Investigation, Mystery, Suspense, and Thriller themes with a 43% similarity match.

The tale revolves around Haruma Sosuke, an experienced tax inspector, and Murakumo Shuji, a proficient consultant specializing in tax evasion. Haruma believed that his simple life and the world of tax evasion were unrelated, until one day their paths crossed...

Recommendation: Jikken Keiji Totori 2 similar to Gap Dong
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Jikken Keiji Totori 2( 実験刑事トトリ 2)

2013Japan
Detective FictionDetective Male LeadInvestigationMysterySuspenseThrillerMiniseries

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 43% similarity match.

Totori Hiroshi, formerly a professor specializing in bionomics, made a career change by taking the MPD mid-career recruitment exams. Upon successfully passing the exams, he was delighted to be placed in Division 1. Despite a year having gone by, Totori's partner, Yasunaga Teppei, continues to struggle with the fact that Totori, as a rookie, is older and more experienced than him.

Recommendation: Tokuso 9 Season 2 similar to Gap Dong
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Tokuso 9 Season 2(特捜9 season2)

2019Japan
Detective FictionDetective Male LeadInvestigationMysterySuspenseThrillerPolice Department Setting

Like Gap Dong, this drama also features Detective Fiction, Detective Male Lead, Investigation, Mystery, Suspense, and Thriller themes with a 43% similarity match.