The last seven survivors of a nuclear war barricade themselves against the outside world. Beyond a dense mist, other survivors, radiated and mutant, grow hungry.

A young psychiatric nurse goes to work at a lonesome asylum following a murder. There, she experiences varying degrees of torment from the patients.

A young woman, Amanda Post (Susan Bracken), is summoned to the house in which she grew up to attend to her dying grandmother Harriet (Rhea MacAdams). The place holds bad…