Five strangers awake, finding themselves with no memory in a world resembling the wild west. Their task is to become exempt from being killed - what the townspeople refer to as being "immortal" - by killing twenty of the other inhabitants of the town under the scrutiny of the sheriff (Jack Palance), otherwise they will spend their lives in slavery.
- Genre: Science Fiction, Western, Thriller, Mystery
- Studio: Blood City, Stanley Chase Productions, EMI Films
- Keyword: saloon, amnesia, dystopia, murder, gang, surveillance, canuxploitation, social experiment
- Cast: Jack Palance, Keir Dullea, Samantha Eggar, Barry Morse, Hollis McLaren, Chris Wiggins