4th Period Mystery

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.

A mysterious stranger works outside the law and keeps his objectives hidden, trusting no one. While his demeanor is paradoxically focused and dreamlike all at once, he embarks on a journey that not only takes him across Spain, but also through his own consciousness.

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.

An ex-fireman with PTSD goes on the run when accused of a crime he doesn't even remember committing, leading him down a rabbit hole of conspiracy to the highest degree.

A tough detective who is part of an elite New York City unit is trying to find out who killed his partner, but uncovers a plot to kidnap mobsters for money.

Master car thieves square off against French gangsters in the South of France with money, women and lives all on the line.

Follows Pete, a professional hitman, as he faces a group of assassins after the boss of a crime syndicate suspects disloyalty due to his attendance at Workaholics Anonymous meetings.

Dong-chul and Ji-soo are a happily married couple. One day, Dong-chul comes home to find his house in disarray and his wife missing.

On March 26, 1991, five boys set off to the mountain to go frog hunting and never come back to their family. While a documentary producer, detective and professor try to solve the mystery of the incident, one of the boys' parents is a suspect.

A criminal psychopath from a wealthy family is confronted with Chul-jung Kang, a former classmate who no longer likes his activities.

An unlikely friendship unfolds between a young deaf boy, Wesley, and a fugitive criminal who takes refuge in an abandoned barn on the family’s rural North Dakota farm.

Johnny Kovak joins the Teamsters trade-union in a local chapter in the 1930s and works his way up in the organization. As he climbs higher and higher his methods become more ruthless and finally senator Madison starts a campaign to find the truth about the alleged connections with the Mob.

A student on a trip to France is tricked into smuggling secrets across the Iron Curtain by a sexy spy.

A detective accidentally kills a man and disposes of the body to protect his career. The next day he sees that someone has hanged the corpse from a crane for all to see. He takes charge of the murder investigation to protect himself and find out who did it.

Travis, a jaded detective, arrives in the remote outback town of Limbo to investigate the cold case murder of local Indigenous girl Charlotte Hayes 20 years ago. As truths about the murder begin to unfold, the detective gains a new insight into the unsolved case.

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...

Kang Chul-jung has been a detective fighting crime for 15 years and is at it again against a mob boss who recruits young kids to do his dirty work.

Min-ho's adulterous lover Se-hee is murdered in a hotel where only the two of them were present, and Min-ho is immediately singles out as the prime suspect. Insisting on his innocence, Min-ho hires the talented lawyer Shin-ae to defend him, and confesses to her that a car accident on the day before may be connected to Se-hee's murder.

The chief of Sampo City Police Office, Seung-u, organizes a simulation of a bank robbery, but a by-the-book cop gets too caught up in the role playing in which the simulation doesn't go the way he had anticipated.

Aurora's high school reunion turns deadly when a body is found in the hotel pool. Aurora and her Real Murders Club help investigate which classmate was most likely to kill.