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.

Two feuding brothers of differing political views, one a policeman, the other a martial artist, join forces to avenge the death of their father, a retired agent who was brutally murdered by the mafia.

An advertising firm, desperate to keep an account from a financially-ailing brewery, concocts a macho ad campaign centering on three losers who inadvertently prevent a robbery at a bar.

Alan King hosts HBO's 7th annual comedy showcase for young comedians.