Raymond Gold, a 40-year-old Walter Mitty character from Philadelphia, is recruited to pass secrets of the atom bomb to the Russians in the 1940s. His girlfriend Danica discovers that he is a fantasist while the FBI suspect him of spying. His world falls apart, with tragicomic results.

Now confined to a mental hospital, young Kirsty insists her supposedly dead father is actually stuck in Hell following his wife’s betrayal. Few believe the young woman’s lurid stories aside from the thrill-seeking Dr. Channard. Kirsty is undeterred and, with the help of a fellow patient, heads to Hell for a rescue.