Some of Sin City's most hard-boiled citizens cross paths with a few of its more reviled inhabitants.
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.
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.
Husband and wife Gabe and Adelaide Wilson take their kids to their beach house expecting to unplug and unwind with friends. But as night descends, their serenity turns to tension and chaos when some shocking visitors arrive uninvited.
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.
In the futuristic action thriller Looper, time travel will be invented but it will be illegal and only available on the black market. When the mob wants to get rid of someone, they will send their target 30 years into the past where a looper, a hired gun, like Joe is waiting to mop up. Joe is getting rich and life is good until the day the mob decides to close the loop, sending back Joe's future self for assassination.
For five men, the opportunity to share a penthouse in the city -- in which to carry on extramarital affairs -- is a dream come true, until the dead body of an unknown woman turns up. Realizing that her killer must be one of their group, the men are gripped by paranoia as each one suspects another. Friendships are tested, loyalties are questioned, and marriages crumble while fear and suspicion run rampant.