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The Mask

A police officer looks into a homicide, only to find out that the perpetrator was responsible for his wife's death. Overcome with grief, he decides to take a leave of absence. However, while on his break, he stumbles upon some startling evidence. (DramaWiki)

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.

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

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

In the year 2000, a murder took place in an apartment located within a printing factory in Haizhou City. A young police officer named Leng Xiao Bing, along with his more experienced colleague, responded to the report of the crime. Unfortunately, they ended up encountering the notorious serial killer of Haizhou City. Leng Xiao Bing hesitated to use his weapon during the confrontation, leading to the death of his senior officer, Li Lan. Another individual present during the incident was a young orphan named Xia Mu, who was hiding in an attic nearby. To protect his career in the police force, Leng Xiao Bing kept his inability to shoot a secret, which Xia Mu also chose not to reveal. The murderer managed to escape and the case went cold. Seventeen years later, Xia Mu joined the major crime unit with the goal of solving the murder of his mentor and others. Upon questioning Leng Xiao Bing about his hesitation to shoot, the truth was finally revealed. Together, they decided to reopen the old case and investigate it from a new perspective. Their suspicions eventually led them to the father of a psychologist named Shen Yu. Shen Yu, determined to clear her father's name, launched her own investigation. When a new body from sixteen years ago was discovered, it became clear that the killer had never truly stopped. Only through collaboration could they finally apprehend the real culprit and bring justice to the victims.

In Tokyo, a killer is known for leaving an `X` mark on the victims' bodies. Detective Genji Ando notices that the mark is reminiscent of the one found on his deceased wife. Unable to officially participate in the case, he enlists the help of Jin Jinbo, a DNA specialist at the medical school's genome analysis lab, to uncover the identity of the possible serial murderer.

The unusual "Mannequin Serial Murders" involve a disturbing combination of corpses and mannequins. A similar shocking case has emerged within a particular family. Police officer Shimizu Takuya, who has dedicated a significant amount of time and effort to this case due to his peculiar obsession, suspects that the culprit is among the five individuals present during the incidents. He teams up with young police officer Hasui Kyoya, who has been assigned to the case by a mysterious individual named Hashimoto Junki. As Kyoya tries to rein in the intense and erratic Shimizu, he begins to uncover the peculiar truth behind the situation. Meanwhile, Shimizu encounters the cryptic phrase "the one who ends it," leading the case to take an unforeseen turn.

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)

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

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.

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.

Eccentric investigator Hing Hoi and police superintendent Ding Lok Fung share similar backgrounds but have trodden different paths in life. Their paths converge when a series of murders bring them together to catch the culprit. As they delve into the case, Hing Hoi reluctantly seeks assistance from psychologist Yeung Chi Fei, his old adversary. Together, they discover that the murderer is part of a larger group of assassins who operate through a mysterious website promoting a new interpretation of the seven deadly sins. The trio races against time to stop the killers from targeting individuals who have committed these sins, with their ultimate goal being the entire society. Hing Hoi is unexpectedly confronted with a painful past, plunging him into inner turmoil. Yeung Chi Fei is shocked to find a connection between the case and her mentor, university professor Fu Yeung Shan. Meanwhile, Ding Lok Fung uncovers a hidden conspiracy involving his sister, Ding Siu Wan, who has returned from overseas, forcing him to make a difficult choice between justice and family.

The club members observed Ju Gan appearing distressed as he grappled with a challenging case. Recognizing the importance of finding the deceased individual, Ju Gan asked the club members to participate in a reenactment of the crime scene, with each person taking on the role of the victim, in the hopes of advancing the investigation. Following a murder in the vicinity, a vendor of a fruit stand utilized her expertise with knives to support the police in uncovering inconsistencies in the suspect's recounting of events. Through her assistance and Ju Gan's leadership, the club members successfully resolved the case.

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.

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)

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.

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.

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

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.

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.

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.

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.

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.

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.

The spin-off series "It's Your Turn" was available for streaming on Hulu.

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.

Following the uncovering of a homicide reminiscent of a long-unsolved case from over two decades ago, the chief investigator, a rising political figure, and a new recruit in law enforcement find themselves entangled in a complex web of political maneuvering. (Credit: FilmPoliceReviews)

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.

In the Ota ward, there have been a series of murders that have caught the attention of Ozeki Tatsuro, a member of the Police Affairs Division at Omo Rinko Police Precinct. At the same time, Itagaki Kohei, a freelance journalist feeling disillusioned with his work, encounters a young woman in need on the beach. Before he can assist her, he is confronted by Fujishiro Shion, a journalist who live streams on Net Scoop. As the serial killer gains notoriety through posts by Araki Takuma on the social media platform JUSTICE, the police receive a call from Araki himself, hinting at a confession. The investigation team, previously focused on a different suspect, rushes to bring Araki in for questioning.

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.

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.

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.

The First Investigation Division at the Dai-Tokyo Police Station, under the leadership of Chief Keiichiro Funakoshi, focuses on problem-solving. Working alongside newly assigned detective Ryu Fujii, they tackle challenging cases by utilizing their unique strengths.

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.

A murder investigation unfolded in Xincang City involving the death of Xiao Hai Yun, the owner of a real estate company. Xiao had recently teamed up with Zhou Guo Qin, a police captain, to uncover corruption within the development zone led by Xu Zhong Lu. Tragically, Zhou died while pursuing the killer. This led to suspicions falling on Jiang Dong Zhi, a taxi driver involved in the case, who decided to go on the run. As young officer Lu Yang searched for Jiang, he unraveled the complexities surrounding the case. Jiang, evading capture, used clues left by Zhou and his own methods to seek the truth.

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.

Team Azumi, known for their successful crackdown on individuals involved in stimulant drugs, recently collaborated with the Fifth Unit of the Tokyo Metropolitan Police's Anti-Organised Crime Division. As a gesture of appreciation, Torikai, the head of the Fifth Unit, treated the team to a meal at an upscale restaurant. Meanwhile, the renowned fashion designer, Sawamura Kyosuke, was seen dining with the top female model, Mizutani Rieko, at the same establishment. The following day, Sawamura's mentor was found dead in a parked car. Among the mentor's belongings was a day planner that indicated a scheduled meeting with Sawamura at the time of the murder. Azumi Tsuyoshi attempted to question Sawamura, but Torikai, who had already taken another individual into custody as the prime suspect, insisted that the Metropolitan Police would be handling the investigation. Despite Torikai's objections, Azumi felt uneasy about the situation and instructed his team to conduct their own inquiry.

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?

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.

Police investigators Xu Xiao and Lin Guo Qiang collaborate to look into a case involving dismemberment, revealing a connection to a centuries-old ritual for eternal life, orchestrated by an unexpected suspect - a seemingly unassuming young female. (TMDb)

Taking place in the 1920s, the plot follows a woman detective as she delves into solving crimes in the time of the Republican era. (ChineseDrama.info)

Detective Kisaragi Toko works in Investigation 1 Section 11 of the Tokyo Metropolitan Police Department, under the supervision of Detective Hideaki Takano. Hideaki Takano is preparing to transfer to the Public Security Bureau in a week. Meanwhile, a murder occurs where a wealthy man is discovered dead in his residence with his throat slit and a blue flower inserted in the wound. The victim's wife, Mayumi, is also missing. A message from an individual claiming to be the killer, named Kurasuta 16, is sent to a newspaper, hinting at Mayumi's whereabouts. With the imminent transfer of Detective Hideaki Takano, Toko Kisaragi feels an increased sense of urgency and responsibility to solve the case.