Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.

A reforming ex-gangster tries to reconcile with his estranged policeman brother, but the ties to his former gang are difficult to break.

Three orphans grow up to become art thieves under the tutelage of a crime boss. Romance complicates matters when the trio are double-crossed.

Held in an L.A. interrogation room, Verbal Kint attempts to convince the feds that a mythic crime lord, Keyser Soze, not only exists, but was also responsible for drawing him and his four partners into a multi-million dollar heist that ended with an explosion in San Pedro harbor – leaving few survivors. Verbal lures his interrogators with an incredible story of the crime lord's almost supernatural prowess.

Three detectives in the corrupt and brutal L.A. police force of the 1950s use differing methods to uncover a conspiracy behind the shotgun slayings of the patrons at an all-night diner.

A bad day gets worse for young detective Murakami when a pickpocket steals his gun on a hot, crowded bus. Desperate to right the wrong, he goes undercover, scavenging Tokyo’s sweltering streets for the stray dog whose desperation has led him to a life of crime. With each step, cop and criminal’s lives become more intertwined and the investigation becomes an examination of Murakami’s own dark side.