A detective sets out to capture a psycho who kills women, but the psycho turns the tables and goes after the detective's girlfriend.

Frank Morris, returning decades later to the scene of his escape from Alcatraz, scours his old prison cell for a map to a safety deposit box key. But his plans are interrupted by a number of youths unlawfully partying it up on The Rock, and when they get in his way, he removes them, one by one...