In an attempt to inherit his wife's money to further his research into brain surgery and lobotomy, a doctor attempts to gaslight her into madness in an effort to have her killed on the operating table. However, a past victim of his is not so far behind and attempts to guide the woman from beyond the grave into uncovering the truth. This film was later recut as "Escape from the Insane Asylum", with footage from "Frozen Scream" inserted at various points.

A woman whose car breaks down in the desert finds her way to an abandoned town, where she is menaced by a gang of psycho bikers.

Someone is killing off LA's most vicious criminals and the police are powerless to do anything about it. As the commissioner enlists the help of his top lieutenant, Roger, to solve the case, Roger begins to suspect that the mysterious Executioner might be his old friend from Vietnam.