Earth succumbed to a nuclear war caused by an infamous evil being known as Dr Hell, who today dominates the world with his technology from a distant planet called Goretech. Now the world is only violence and death and humanity is inexorably approaching its extinction, as there are no women left alive. A timorous and cowardly young man named Han meets a mythical curmudgeonly old man who will teach him the secret of martial arts, and together they will fight to end the tyranny of the sinister Dr Hell.
A video club clerk, a porn buff, a beer and cigarette buddy, a heavy metal-loving biker, and a fan of modern teen horror all fall into the basement of a video store and become, respectively, a man. wolf, a zombie that later mutates into a satanic leader, a smoking zombie, a punk and a hooded knife-maker. As if this were not enough, the spiritual leader of this horde of infernal beings is Dr. Vornoff, a scientist who has become a Satanist.