Nuclear scientist Paul Allen is left to die on the site of an atom bomb test. His treacherous colleague Serb works for “the reds” and plans on leaving the country with Allen’s wife Gena. Allen watches helplessly in spectral form. Then he musters his last strength, returns to his broken body and attacks his killers as a nuclear zombie.
Greedy landlord Cal Arnum burns down his own tenement block to cash in on the insurance. The loss of dozens of lives means nothing to him. Arnum then takes a drug to fake his own death. Instead of being brought to the family tomb, Arnum is cremated.
A couple take a shortcut through 'Perdition Valley' after seeing it on a road map found near a car crash site. The car accident victim was a known racketeer. Little do the couple realize that Perdition Valley is a town for the damned dead.