A sadistic serial rapist and murderer of young women terrorizes a small province in 1980s South Korea. To prevent further crimes, three increasingly desperate detectives with conflicting methods race against time to unravel the violent mind of the killer in a futile effort to solve the case.

Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.

A corrupt customs official joins forces with a vicious gangster to form the most powerful crime partnership in Busan.

Joong-ho is a dirty detective turned pimp, who's in financial trouble as several of his girls have recently disappeared without clearing their debts. While trying to track them down, he finds a clue that the vanished girls were all called up by the same client, whom one of his girls is meeting with right now.

Two rival detectives with different methods try to solve the murder of a missing girl after discovering her mutilated body in the tidelands of Incheon.

Detective Cho, a cop on the edge, is mourning his mother's recent death while under investigation for graft; on top of that he is suddenly put in charge of a seemingly-impenetrable mystery.

The 'Beast Cop' Ma Seok-do heads to a foreign country to extradite a suspect, but soon after his arrival, he discovers additional murder cases and hears about a vicious killer who has been committing crimes against tourists for several years.

The story takes place in occupied Korea at the start of the 20th century, where a young student in medicine discovers the murdered body of the son of a government official. Being scared of being accused, he decides to hire Hong Jin-ho (a detective) to help him find the murderer before the police accuse him of the murder.

Deputy Sheriff Joe "Deke" Deacon joins forces with Sgt. Jim Baxter to search for a serial killer who's terrorizing Los Angeles. As they track the culprit, Baxter is unaware that the investigation is dredging up echoes of Deke's past, uncovering disturbing secrets that could threaten more than his case.

Homicide detective John Hobbes witnesses the execution of serial killer Edgar Reese. Soon after the execution the killings start again, and they are very similar to Reese's style.

A young Korean man surpasses his difficult childhood by becoming a powerful prosecutor, but soon learns that real power comes at a price.

Kang Tae-sik is a private detective who would do anything for money. One day, he gets framed for a murder by a ruthless boss of the criminal underworld and a mysterious caller watches and controls his every move. He must use a wide array of techno-gadgetry at his disposal to clear himself and exact revenge within 24 hours given to him.

Two teenagers joining the same class in a high school die on the same day. The one to be top of the class is killed by a big knife on the street, the other - the second best of the class indeed - seems to be jumped from the top of the school building. Everybody believes that he first killed his classmate and than himself. But when the police finds small pill boxes into the stomachs of both kids confessing their murder two South Korean cops are torn into a new case of murder series. While they try to hunt down the serial killer, more pupils are getting killed...

A private investigator is forced into a dangerous alliance with a killer in order to uncover a quiet town’s grisly criminal underbelly and clear the name of her mentor, who is implicated in the crimes.

Detectives Jake Doyle and Mary Kelly seek the help of an incarcerated serial killer named The Artist when a copycat killer strikes. While Mary searches for clues in The Artist's brilliant but twisted psyche, she and Jake are lured into a diabolical game of cat and mouse, racing against time to stay one step ahead of The Artist and his copycat.

A detective and a fortune teller join forces to find a kidnapped child whom no one expects to be alive. Based on a true story.

A girl who lost her father to a serial killer, a detective and a killer are intertwined in a chaotic relationship and are met with an unprecedented series of events.

Eddie Dodd is a burnt out former civil rights lawyer who now specializes in defending drug dealers. Roger Baron, newly graduated from law school, has followed Eddie's great cases and now wants to learn at his feet. With Roger's idealistic prodding, Eddie reluctantly takes on a case of a young Korean man who, according to his mother, has been in jail for eight years for a murder he didn't commit.

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.