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.

A married woman and her lover plot to kill her husband to make off with the insurance money. However, their attempt to murder him using poisonous fish toxins backfires in surprising ways.

When a group of teenagers inadvertently kill his only son, Ed Harley seeks the powers of a backwoods witch to bring the child back to life.