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Dakara Korosenakatta

In a neighborhood, a man is killed by an intruder who entered his apartment unlawfully. Sergeant Kizaki, who is on duty nearby, hears a gunshot and rushes to the building. Detective Omura is already present at the crime scene. As they investigate, they make progress in identifying the perpetrator. Sergeant Kizaki begins to suspect that someone else is involved in the case. Suddenly, a young woman emerges from the darkness. Sergeant Kizaki senses a connection between her and the murders.

Saionji Hajime is employed by the affluent Ijuuin family and graduated as the top student from a prestigious butler academy in London. He excels in housekeeping, mansion management, martial arts, and possesses a wide range of knowledge in various subjects such as science and history. Saionji has built a strong bond of trust with Yuriko, the widow of the Ijuuin family patriarch. He is known for following Yuriko's requests and taking on challenging investigations independently. Despite being primarily a butler, Saionji has proven his investigative skills by successfully solving complex mysteries using his expertise and abilities.

This time, Azumi and his colleagues must collaborate to resolve different cases near Tokyo Sky Tree in Oshiage, Tokyo. They are tasked with working at a branch office in the area, functioning as both a police station and a neighborhood police box. Dealing with the complex local environment and widespread police mistrust poses ongoing challenges for them in their work.

A string of mysterious disappearances took place in a tenement building in Edo Fukagawa. Despite Constable Izutsu Heishiro uncovering the details of the case, he was unable to solve it alone. As time passed and the case faded from memory, a woman named Aoi, closely linked to the case, was found murdered. It was revealed that her son, Sakichi, was the culprit. Determined to prove Sakichi's innocence, Izutsu and his nephew, Yuminosuke, set out to find the true perpetrator. Once again, the wealthy merchant Minatoya Soemon was implicated in the background. Will Izutsu succeed in identifying the real criminal?

In the neighborhood of Akabane in Tokyo, a senior citizen who resided alone has been discovered deceased. The elderly individual was found strangled. Investigators from the Akabane Police Station are looking into the incident. Residents living near the victim claim to have seen a woman entering and exiting the victim's residence on occasion. This woman is known as Yamamoto Miki, who provides household services for her clients. The detectives from the Akabane Police Station pay a visit to Yamamoto Miki's residence, where they are joined by detectives from Saitama Prefecture. Several suspicious deaths have occurred at the homes of her previous clients. The media begins reporting on the situation as a potential series of homicides. The mystery surrounding Yamamoto Miki and the truth behind these incidents become the focus of attention.

In 1946, the cargo vessel named "Chaofeng Pill" arrived at Keelung Port from Japan with a load of Taiwanese passengers who had journeyed to Japan

The lifeless body of a woman is discovered wrapped in a beige sheet and suspended from the roof of a dilapidated apartment building. A note claiming responsibility for the act is attached to the sheet, stating, "Today, I caught a frog and experimented with a bagworm." This peculiar incident captures the attention of the media. Kotegawa Kazuya, a rookie detective, and the experienced Watase from the Saitama Prefectural Police's First Investigation Division are assigned to the case. Criminal psychiatry expert Omaezaki Munetaka notes the immaturity of the crime and suggests it may lead to more murders. As Kotegawa and Watase search for the perpetrator, another killing occurs, with a mutilated body found in a car trunk at a scrapyard. A similar message is left behind, instilling fear and confusion among the public. Can Kotegawa and Watase uncover the identity of the elusive "Frog Man" and bring him to justice?

Kaburagi Keiichi was taken into custody on suspicion of murder and given the death penalty. He managed to escape from prison during transport, but instead of fleeing, he helped the individuals he encountered in his hiding spot. As these individuals discovered Kaburagi's identity as a death row escapee, they questioned whether he was truly a killer.

Heo Joon (Yoon Tae Young) works as a physician. His spouse was murdered by an unknown assailant right before his eyes. Following the tragic incident, he resigned from his position at a university hospital and is on a quest to find his wife’s murderer. To aid in his pursuit, he establishes a clandestine clinic that operates at night. Hong Na Kyung (Ryu Hyun Kyung) serves as a surgeon at Heo Joon’s clinic. [koreandrama.org]

The murder of a vegetable seller is the beginning of a series of disappearances in a building. Constable Izutsu Heishiro becomes suspicious and sympathetic towards the residents, prompting him to investigate the cases. With the help of his nephew Yuminosuke, Izutsu uncovers a mystery from 17 years ago, hidden by the landowner Minatoya Soemon.

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.

A widely discussed event has taken place in Japan involving the Doizaki couple who murdered their 15-year-old daughter and concealed her body beneath their home for 16 years. One day, Toshiko Hagitani, a homemaker, visits Shigeko Maehata, an employee at a small publishing company, to share her suspicion that her 12-year-old son Hitoshi may possess a unique ability to see the memories of others. Toshiko shows Shigeko a drawing created by Hitoshi depicting a girl with a pale face lying in a house topped with a bat-shaped weather vane, resembling the Doizaki couple case. Intrigued, Shigeko decides to investigate further, but tragically, Hitoshi passes away in a car accident. Meanwhile, the Doizaki couple's lawyer informs their daughter Seiko that they have severed all ties with her. Concurrently, a female high school student is reported missing.

Reiji Mikoshiba is known as an unbeatable attorney who will go to great lengths to secure a lenient sentence for his clients, regardless of the charges against them. Due to the questionable nature of his clientele, he is often ostracized for his unscrupulous tactics. When he volunteers to defend Mitsuko in a high-profile murder case, the odds seem stacked against her. Meanwhile, a body is found in a river in Saitama Prefecture, sparking an investigation by Inspector Watase. As Watase delves deeper, he uncovers a connection between the victim, a journalist, and Mikoshiba. It is revealed that Mikoshiba has a dark past as the true perpetrator of a heinous crime. The mystery deepens as Watase tries to uncover Mikoshiba's motives for becoming a lawyer despite his criminal history.

Tanuma Yuriko is a homemaker residing with her spouse Kazuo, their two kids, and mother-in-law Hatsue. When Saori, the spouse of Kazuo's friend Kusumoto Masafumi, is found murdered, Kazuo admits to having an affair with her. Yuriko suspects him of being responsible for Saori's death. Despite Kazuo's attempt to turn himself in to the authorities, Yuriko stops him, choosing to conceal his crime to maintain their family's tranquility. As Yuriko grapples with the situation, a newfound determination to protect her family emerges within her.

Makita Takahiro is employed in the Public Relations (PR) Department of Nagawara Seiyaku, a prominent pharmaceutical company in Japan. While on his way to work one day, he witnesses a tragic incident of someone taking their own life by jumping onto the railway tracks in front of an approaching train. Following this, he is summoned to a meeting with the Vice President, Anjo Takao, who informs him that the suicide might be linked to a medication produced by the company. Anjo then tasks Takahiro with collaborating with the authorities in their inquiries. With Nagawara Seiyaku currently in discussions with a significant foreign investment group regarding a potential merger, any negative publicity could jeopardize the deal and lead to the company's downfall due to financial struggles caused by the economic downturn. Despite being instructed to maintain strict confidentiality, even from his fiancée Morita Mayumi, who serves as Anjo's assistant, Takahiro faces a moral dilemma as he navigates between his responsibilities to the public and the company. As the investigation progresses and the drug is found in the deceased's body during the autopsy, Anjo directs Takahiro to negotiate an out-of-court settlement with the family while preparing reports for the Ministry of Health. Feeling conflicted, Takahiro seeks guidance from the company's lawyer, Takafuji Tatsumi, who is aligned with the President's faction seeking to remove Anjo post-merger. Ultimately, the question remains: will Takahiro prioritize the company's financial interests over his own moral compass?

Takano was reassigned to the prestigious Public Security Department within the Japanese police force. The murder of a prominent member of the ruling party occurred close to the site of a previous bombing. The victim had one of their organs removed and a symbol resembling a heart with wings was left nearby. Despite feeling uneasy about the murder method, which seemed to be inspired by ancient Egyptian mythology, Takano's attempts to discuss the case were dismissed by his colleague Himuro.

Senior entertainment journalist Liu Chih Chun is shocked to discover that her colleague Lin Pei Ting, a junior reporter, passed away at a party involving sex and drugs. This incident severely tarnishes the reputation of the magazine they both worked for. In her role as Lin's supervisor, Chih Chun must delve into the circumstances surrounding Lin's death in order to salvage her own career. Using the notebook that Lin left behind, Chih Chun retraces Lin's actions and uncovers that Lin was undercover as a prostitute to investigate the entertainment industry's sex scandals. This revelation is only the beginning of a much larger story. Balancing on the edge between truth and self-preservation, Liu Chih Chun is committed to exposing the full truth, despite the risks involved.

Yuri Rintaro previously held the position of head of the First Investigation Division in Tokyo before leaving the police force and returning to his hometown of Kyoto. Currently, he works as a forensic psychologist in Kyoto, assisting the police with their investigations. Yuri's investigative approach involves meticulous examination of crime scenes, utilizing tracing techniques acquired from a mentor he encountered in the Rocky Mountains during his youth. Working alongside him in Kyoto is Mitsugi Shunsuke, who admires Yuri and manages the website "Yuri Rintaro no Jikenbo," which documents Yuri's accomplishments.

University students Sugishita Nozomi, Naruse Shinji, Ando Nozomi, and Nishizaki Masato stumble upon the murder of the Noguchi couple as a result of their premeditated plan. Nishizaki is apprehended at the scene and receives a 10-year prison sentence due to his voluntary admission of guilt. A decade later, former police officer Takano Shigeru, skeptical of the case's outcome, begins to seek the truth. He believes the root of the incident lies in a crime committed by Nozomi and Naruse on an island in the Seto Inland Sea 15 years prior, all for the sake of each other.

Kentaro Arita, a well-known attorney frequently seen on television, finds himself entangled in a scandal involving adultery, sparking both criticism and intrigue. Shortly after, he is discovered deceased. The police launch an investigation into Arita's family, coworkers at the law firm, and his romantic partner, the actress Natsuki Toyama. Despite their efforts, the police are unable to identify a suspect, leaving the case unresolved. Five years later, the body of laborer Tatsuji Kosaka is uncovered at a construction site, revealing connections between the murders of Arita and Kosaka. Tomo Yashiro and Risa Narumi take it upon themselves to delve into both cases.

Upon awakening in a mysterious building, seven individuals are informed via computer that a murderer is among them. They must determine the killer's identity to avoid being the next victim. Meanwhile, another group of seven is locked away in a separate location with a hidden killer of their own. The computer sets the rules for the game: correctly guess the killers in both groups to win 10 million yen and freedom. However, guessing incorrectly results in execution, being murdered before guessing leads to failure, and unforeseen events can halt the game. If the other group identifies the killers first, everyone will be killed. Can they uncover the killer in time and trust the information provided by the other group? Survival hinges on their ability to work together and solve the deadly mystery.

During her high school years, Miyuki Itoi was not considered particularly attractive. However, one day, she undergoes a transformation and becomes stunningly beautiful. As she begins to interact with men, a mysterious pattern emerges - those men soon meet their demise. (My DramaList)

A journalist delves into a perplexing case involving the unsolved murder of his mother two decades earlier. Derived from the book "Du Jia Pi Lu" authored by Hai Yan. (DramaWiki)

At Tamagawa Police Station, a major incident occurred where an unidentified individual murdered a family of four. The estimated time of the crime was between 10:30 p.m. on January 3 and 12:30 a.m. on January 4, 2003. In response, a specialized task force consisting of skilled officers from various stations was promptly assembled. Among the detectives from Tamagawa Station assigned to the team was a young and unremarkable officer named Ichiro. However, shortly after joining the team, Ichiro was removed from the case, supposedly due to his unauthorized investigation into another matter against the directives of his superiors.

An inexperienced sharpshooter and an experienced veteran are teamed up to solve various cases together. Despite their differences, the two women clash on many issues and we witness their evolving relationship as they work together, alternating between friendship and animosity. As they follow the clues left by a serial killer, they experience moments of laughter and tears. (TBS)

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.

The storyline revolves around a group of five individuals - four females and one male - who are confined within a grand mansion situated in the mountains. The estate is owned by Kaoru, the mother of Usui Toru, a man who tragically took his own life three years prior. Upon their arrival, Kaoru reveals to the group that her son was actually murdered, and the perpetrator is among them. They are given a deadline of 72 hours to uncover the true culprit, or else face dire consequences. This series was broadcasted on NHK BS Premium and is an adaptation of a manga created by Chie Shinohara.

Saionji Hajime is an impeccable butler who serves a sophisticated lady known for her inquisitive nature and pure character. Hajime started working for the lady prior to her husband's passing, leading to a strong bond of trust between them. When they encounter a murder case, the lady harbors suspicions about the incident. Utilizing his exceptional deductive skills, Hajime strives to unravel the mystery at hand.

Aya works as a detective at the Kanagawa Prefecture Police Station, where Yuriko has recently been assigned. Yuriko has experience working in the Tokyo Metropolitan Police Department office. Aya and her fellow detectives find it unusual for someone to transfer from Tokyo to Kanagawa and switch from office work to fieldwork. Detective Iida, who works with Aya, receives a phone call and informs his colleague that his wife has been murdered.

A renowned academic from the Joseon Dynasty (1392-1910) is reincarnated as a captivating detective in OCN's "Jeong Yak Yong." This eight-part mini-series aims to engage enthusiasts of crime films and dramas with its vibrant characters set against a historical backdrop. "There are many alarming events occurring in our world today, and I wanted to illustrate them using traditional figures within a classic setting," director Kim Hong-sun stated during a press conference on Monday in central Seoul. Jeong (1762-1836) was not only a distinguished scholar but also a strong advocate for practical education. He served as a royal commissioner and authored numerous case reports throughout his career. Each 45-minute episode will delve into various mysteries, including theft, infidelity, and even homicide, featuring the charming Park Jae Jeong in the role of the clever and energetic Jeong, often referred to as the "Sherlock Holmes of the Joseon Era."

Homicide at the Blue House. Jung Suk Kyu, a culinary expert working in the Blue House, was discovered dead in his quarters, seemingly by suicide. Detectives Kim Han Soo and Park Hee Young have been assigned to look into the case, which arises during a critical time just ahead of the scheduled peace negotiations involving North Korea, South Korea, and the United States. However, as their investigation unfolds, it becomes increasingly evident that the situation is more complex than it appears, and they must race against time to apprehend the murderer before another crime occurs.

A famous manga editor, who once made a huge impact on the industry, falls to his death from the rooftop of a building. The authorities quickly ruled it as an accident due to the absence of a suicide note or any signs of foul play. However, there are many mysteries surrounding his demise. His colleagues and acquaintances believe he may have been murdered. Was it a case of homicide or suicide? Investigator Mizuno Yuki partners with Daigo Shinji, who has recently taken on the role of manga editor, to unravel the truth behind his death. Their only lead is an old manga manuscript left behind by the deceased editor, written by an unknown author. As they delve into the investigation, they find themselves entangled in the unsolved Shimoyama case, the most significant mystery since World War II.

This rapid-paced narrative follows the journey of three young women immersed in the realm of investigative journalism. Kyoko Mukai, previously contentedly employed in the children's literature division of a prominent publishing company, finds herself abruptly reassigned to the editorial team of a notorious tabloid known for its boundary-pushing content. Transitioning from tales of whimsy to a world of exposés and controversies centered around crime, corruption, and scandal, Kyoko is joined by two new colleagues: Eri Nagase, specializing in sex scandals despite her advanced degree in mass communication, and Ayumi Takeuchi, relegated to desk duties while awaiting her chance to report on a story. Their enigmatic boss, a former top journalist at a major newspaper who left to pursue freelance work a decade ago under mysterious circumstances, adds to the intrigue. As events unfold, a significant news story from the past resurfaces, drawing the young women into an unforeseen chain of events...

Animal Trail, a natural path created by the movement of wildlife, can be a lifesaver for individuals who find themselves lost in the wilderness. One day, a woman who feels overwhelmed by her difficult circumstances unexpectedly encounters a man. Desperate for a change, she decides to trust the stranger's guidance and see where the "Animal Trail" will take her. Will this path bring her joy and fulfillment, or will it lead her astray?

Akizuki Haruto, a police detective taking a break to care for his child, must use his parenting experiences to crack cases in this lighthearted mystery. Juggling fatherhood with his wife Saki, Haruto unexpectedly becomes a hostage during a robbery. Despite the dangerous situation, Haruto relies on his sharp eye for detail to gather evidence and discreetly contact his fellow officers for help. As he navigates the unfolding events, he must also tend to his son Ren's needs, such as changing diapers and feeding, bringing a unique twist to his crime-solving adventures.

Masaki Yuichi is employed as a detective at a legal office. Previously, he served as a personal assistant to a government official, but he struggled with his participation in an illicit fund and coped with the tragic loss of his daughter. His daughter's passing inflicted a profound emotional wound and remorse upon him, which he has yet to overcome. One day, a young woman named Mochizuki Maki seeks assistance from the law firm to locate her relatives. Maki was separated from her parents as a baby and was raised in an orphanage. Together, Yuichi and Maki travel to the town where she lived with her family in the past. They discover that the town had a history of a boy being abducted and killed. Could this incident be connected to the disappearance of Maki Mochizuki's family?

Oda Naomi had dreams of working as a curator in an art gallery, but she currently holds a position at a department store where she caters to VIP clients. Despite her job, she is dissatisfied with her current situation. One day, her college friend, Hattori Kanako, pays her a visit at her apartment and reveals that she is being physically abused by her husband, Tatsuro, who is a high-ranking employee at a bank. Kanako is hesitant to leave her husband out of fear for her life, as he becomes violent when under stress. When Naomi spots a Chinese stowaway who bears a striking resemblance to Kanako's husband, she devises a plan to eliminate him. With Kanako's cooperation, they put their plan into action.

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.

Following the passing of his wife, Shigeki has been raising his daughter, Ema, by himself

Michinari Shiga is employed as an assistant editor at the weekly publication Shukan Jiryu, which has experienced an increase in sales thanks to its coverage of various scandals. He leads a life dedicated to journalism ethics, until his own son, who is in university, commits a double murder before taking his own life. Now, instead of uncovering scandals, Shiga is thrust into the midst of one. Facing pressure from his colleagues, he is demoted to a monthly magazine and his marriage begins to deteriorate rapidly. Despite his challenging circumstances, Shiga is resolute in his mission to uncover the truth surrounding his son's actions.

While having breakfast with Ishikawa Michiko, Asawa Naoki receives a call from Kano Rintaro, the leader of the Ninth Sub-division within the First Investigative Division, regarding a recent murder case. The victim, the president of Godai Bank, was found dead after being struck by a miniature model of an eco-city. Godai Bank is currently funding an eco-city project, which is still ongoing. Upon arriving at the crime scene with Kano, they join other members of the Ninth Sub-division including Murase Kengo, Komiyama Shiho, Aoyagi Yasushi, and Yazawa Hideaki. Murase, who had seen the murder weapon left behind, leaves with Shiho while Aoyagi and Yazawa search for witnesses. As the others depart, Kano stays behind and makes an intriguing discovery.

Aoyagi Yasushi is appointed as the head detective of the Ninth Sub-division within the First Investigative Division, which is overseen by Kano Rintaro. The previous head detective, Murase Kengo, was promoted to lead the Fourteenth Sub-division. One day, the body of Mizushima Akemi, a hostess from Ginza, is discovered. According to Akemi's former spouse, Mitake Toshiyuki, she had a history of shoplifting which led to their divorce. Akemi's mother-in-law, who strongly disliked her, had fought for custody of their child, but Akemi was assured that she could regain custody if she improved her financial situation. Akemi had mentioned to Mitake that she was expecting to receive a significant sum of money soon. This caught Kano's attention as he reviewed an interrogation report linked to a drug dealer's murder investigation being conducted by Murase. It was later revealed that Akemi was a witness in the murder case.

Kyoto's district prosecutor, Aya Tsurumaru, is celebrating her 50th birthday happily until her unexpected visitor, Keiko, her mother-in-law from Tokyo, arrives. Aya is known for her tough stance on violent criminals, but finds herself struggling to deal with Keiko's presence, feeling increasingly annoyed. Meanwhile, the body of Yasushi Iijima, a landscaper, is found dead under suspicious circumstances that suggest foul play rather than a natural accident. The investigation leads to Mineo Hayashi, a Japanese artist based in China, who catches Aya's attention during her visit to him when she notices his wet shoes.

In Yokohama's bustling shopping and entertainment district, the body of a young woman who had been fatally stabbed is found in a back alley. Four detectives from the Criminal Affairs Division of Minato-cho Police Precinct " Togashi Masayoshi, Iinuma Reiko, Shibata Yasuharu and Yamashita Manabu " quickly respond to the scene. Togashi discovers something in the pocket of the deceased woman and discreetly pockets it. Despite the others noticing, he assumes they will overlook it. Detectives from the First Investigative Division of the prefectural police arrive shortly after. The members of the Fourth Section, who are prevented from investigating by the First Investigative Division, sadly leave the scene. Nonetheless, they secretly initiate their own inquiry. Three days later, Satonaka Keiichiro, the new chief of the Fourth Section, arrives. Satonaka believes he has been transferred to the precinct as punishment for speaking out against the unfair appointment of the prefectural police chief's nephew. However, Maejima Ryuzo, the head of police administration who assigned him to Minato-cho Police Precinct, actually wants Satonaka to monitor Togashi and the Fourth Section. Maejima warns Satonaka about a "negative rumor" surrounding the Fourth Section, alleging that they abuse their high arrest rate and frequently defy the orders of the prefectural police. They are even suspected of engaging in various illegal activities, such as coercing confessions, having close ties with criminal organizations, and accepting bribes. Tokunaga Yasushi, the former section head who was investigating these allegations, tragically fell to his death while pursuing a suspect on a rooftop. Satonaka questions whether Tokunaga's death was truly an accident. Despite initially approaching his new team with caution, Satonaka finds Togashi and the others to be unexpectedly friendly and skilled detectives, particularly Togashi who is described as charismatic and brave. They provide Satonaka with a detailed update on the murder case from three days prior, stating they are currently searching for witnesses as per the prefectural police's theory that it was a random attack. Satonaka is relieved by their professionalism. However, he soon discovers that their entire report was fabricated...!

Tsukuura Hiroko, the proprietor of a well-liked bakery, is discovered deceased on a pathway close to her residence. Her head was struck with a metal bat, leading people to speculate that the culprit may have harbored animosity towards her. Watase Tsunehiko ponders over the reason why the assailant repeatedly struck her on the back of her head. Three years ago, Tsukuura Hiroko fatally struck her husband with a metal bat after suffering from domestic abuse. Following this tragic event, she adopted her maiden name and achieved success. Komiyama Shiho instructs the #9 investigative team to look into the recent case as well as the events from three years ago. Aoyagi Yasushi and Yazawa Hideaki interview the bakery's manager, Sakuragi Noboru, and his employees, uncovering that former detective Odawara Yasunori, who had handled the case three years prior, had recently visited Hiroko. Meanwhile, Kano Rintaro and Asawa Naoki pay a visit to Hiroko's ex-mother-in-law, who had blamed her for her son's death and subjected her to harassment. The autopsy results for Hiroko reveal unexpected findings, unveiling a concealed truth from three years ago.

Makabe Yukiko works as a detective within the First Investigative Division's Emergency Investigation Response Team, known as Kintori

At the age of 11, Morimura Hikari aspired to pursue a career as a musical actress. However, her dreams were shattered when a musical actress, whom her older brother Kunihiko was dating, was tragically murdered. Kunihiko was wrongfully accused and arrested for the crime. In order to distance herself from the painful memories, Hikari left her hometown and adopted her mother's maiden name, Kitazono. Now 26 years old, Hikari continues to hold onto her dream of becoming a musical actress despite facing numerous challenges in her life. She juggles working at a bar with taking care of her mother. Upon hearing of Kunihiko's release from prison, Hikari decides to confront him one last time to bid farewell to the brother who had brought turmoil into her life. However, their meeting takes an unexpected turn when Kunihiko proclaims his innocence before disappearing from her life once again.

Once, there existed a special mailbox where children could seek justice against abusive adults. The Neverland Devil would punish these wrongdoers upon receiving a letter from a child. However, after a certain incident, the Neverland Devil vanished without a trace. A decade later, a man named Soejima Rikiya, who used to be a mail carrier but now works at a hospice, receives a cryptic message hinting at the Neverland Devil's return. In response, Soejima decides to return to his former job at the post office. Meanwhile, a murder victim is discovered by the river, with a note in their mouth suggesting the Neverland Devil's resurgence. Soejima Rikiya finds himself entangled in the investigation of this serial killer known as the Neverland Devil.

Cha Woo Jin serves as a prosecutor. Fifteen years prior, he tragically lost his first love, Seung Hee, to a violent crime. Since that time, he has committed himself to tackling cases of violent offenses. During his pursuit of a criminal, a high school student named Jo Eun Bi finds herself entangled in the investigation. Alongside Cha Woo Jin are Section Chief Han and a prosecution investigation officer.