A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.
Piranha II: The Spawning is a 1982 monster horror film directed by James Cameron in his feature directorial debut. It is the sequel to the 1978 film Piranha, and the second installment in the Piranha film series. The screenplay was written by Cameron and Charles H. Eglee, under the shared pseudonym "H.A. Milton", and it stars Tricia O'Neil, Lance Henriksen, Steve Marachuk, Ted Richert, Ricky Paull Goldin, and Leslie Graves; no crew or cast members from the original film returned.