A serial killer is caught for his seventh murder. A cop tries to solve the first six cases with the killer's help, but starts to suspect that he has ulterior motives. Based on a true story.

After barely surviving a brutal attack by a sadistic serial killer, crime boss Jang Dong-su is left humiliated. Determined to catch the killer known as K, he forms an uneasy alliance with Jung Tae-seok, a relentless and incorruptible detective who often disrupts his illegal business. However, while Jang Dong-su wants K dead, Jung Tae-suk is determined to bring him to justice. With a deal in place—whoever finds K first will decide his fate—the hunt begins, blurring the lines between crime and law.

Based on the true story of a Russian serial killer who, over many years, claimed victim to over 50 people. His victims were mostly under the age of 17. In what was then a communists state, the police investigations were hampered by bureaucracy, incompetence and those in power. The story is told from the viewpoint of the detective in charge of the 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.

While his girlfriend is away on a trip, retired assassin Bang Ui-kang is tasked with looking after her friend's 17-year-old daughter. After a street attack, Bang Ui-kang becomes embroiled in a murder investigation and dangerous trafficking gang.

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.

Clarice Starling is a top student at the FBI's training academy. Jack Crawford wants Clarice to interview Dr. Hannibal Lecter, a brilliant psychiatrist who is also a violent psychopath, serving life behind bars for various acts of murder and cannibalism. Crawford believes that Lecter may have insight into a case and that Starling, as an attractive young woman, may be just the bait to draw him out.

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

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...

In 1989, prostitute Aileen Wuornos befriends and enters a relationship with a young woman named Selby. Determined to straighten out her life, Aileen's limited education lands her back on the corner. She's raped by a trick, who she kills. A string of murder and robbery follows that ultimately leads Aileen to becoming America's first female serial killer.

A woman's child is kidnapped and killed after paying the ransom. 15 years later, a mysterious figure is seen visiting the site of killing and another kidnapping occurs using the same methods. The woman teams up with a detective to catch the killer once and for all.

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.

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.

Vice detective Bob Hightower finds his ex-wife murdered and daughter kidnapped by a cult. Frustrated by the botched official investigations, he quits the force and infiltrates the cult to hunt down the leader with the help of the cult’s only female victim escapee, Case Hardin.

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.

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.

Wes Block is a detective who's put on the case of a serial killer whose victims are young and pretty women. The murders are getting personal when the killer chooses victims who are acquaintances of Block. Even his daughters are threatened.

Forensic psychologist and detective Alex Cross travels to North Carolina and teams with escaped kidnap victim Kate McTiernan to hunt down "Casanova," a serial killer who abducts strong-willed women and forces them to submit to his demands. The trail leads to Los Angeles, where the duo discovers that the psychopath may not be working alone.

An LA police officer is murdered in the onion fields outside of Bakersfield. However, legal loopholes could keep his kidnappers from receiving justice, and his partner is haunted by overwhelming survivor's guilt.

A woman gets killed in a department store. No one imagines this could lead to serial murders, but two days after the first murder, another homicide occurs. A woman is suffocated to death and the only evidence left at the crime scene is a sticker of the cartoon character “Princess Aurora”.