Savannah lawyer Rick Magruder is at a party celebrating his courtroom victory defending a cop killer when a member of the catering staff, Mallory Doss, discovers her car has been stolen. Having had a few drinks, Magruder offers to give her a lift home, a decision that turns into a one night stand. Rick soon learns that her nut-case father, Dixon, seems to have begun threatening her again. Rick puts the force of his law firm behind Mallory, who he barely knows, has Dixon picked up by the police, and subpoenas the girl’s belligerent ex-husband, Pete, to testify against the old man. Dixon is put away in an asylum. However, he soon escapes, putting the lives of everyone who conspired against him in jeopardy.

A group of teenagers in San Francisco discover a nest of homicidal monsters living in a tower of the Golden Gate Bridge, but when they try to tell authorities, no one believes them.