Obsessive master thief, Neil McCauley leads a top-notch crew on various daring heists throughout Los Angeles while determined detective, Vincent Hanna pursues him without rest. Each man recognizes and respects the ability and the dedication of the other even though they are aware their cat-and-mouse game may end in violence.
Some of Sin City's most hard-boiled citizens cross paths with a few of its more reviled inhabitants.
Seen-it-all New York detective Frank Keller is unsettled - he has done twenty years on the force and could retire, and he hasn't come to terms with his wife leaving him for a colleague. Joining up with an officer from another part of town to investigate a series of murders linked by the lonely hearts columns he finds he is getting seriously and possibly dangerously involved with Helen, one of the main suspects.
Tom Ludlow is a disillusioned L.A. Police Officer, rarely playing by the rules and haunted by the death of his wife. When evidence implicates him in the execution of a fellow officer, he is forced to go up against the cop culture he's been a part of his entire career, ultimately leading him to question the loyalties of everyone around him.
Two Los Angeles homicide detectives are dispatched to a northern town where the sun doesn't set to investigate the methodical murder of a local teen.
An ex-tennis pro carries out a plot to have his wife murdered after discovering she is having an affair, and assumes she will soon leave him for the other man anyway. When things go wrong, he improvises a new plan—to frame her for murder instead.
Léon, the top hit man in New York, has earned a rep as an effective "cleaner". But when his next-door neighbors are wiped out by a loose-cannon DEA agent, he becomes the unwilling custodian of 12-year-old Mathilda. Before long, Mathilda's thoughts turn to revenge, and she considers following in Léon's footsteps.
John Anderton is a top 'Precrime' cop in the late-21st century, when technology can predict crimes before they're committed. But Anderton becomes the quarry when another investigator targets him for a murder charge.