When an insatiable great white shark terrorizes the townspeople of Amity Island, the police chief, an oceanographer and a grizzled shark hunter seek to destroy the blood-thirsty beast.

A mentally unstable Vietnam War veteran works as a night-time taxi driver in New York City where the perceived decadence and sleaze feed his urge for violent action, attempting to save a preadolescent prostitute in the process.

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.

Tough narcotics detective 'Popeye' Doyle is in hot pursuit of a suave French drug dealer who may be the key to a huge heroin-smuggling operation.