The film's storyline involves five survivors, one woman and four men, of an atomic bomb disaster. The five come together at a remote, isolated hillside house, where they try to figure out how to survive.
A college professor, left alone by his wife for the weekend, discovers his new TV set is not only alive, but determined to take control of his entire life.
A young mechanical genius invents a recording device that can play back the voices of the dead. Here, the voice is that of the genius's evil-dead grandmother. A woman whose malign influence scarred her own children for life and corrupted the innocence of her grandchildren.
