Two scientists are chosen as guinea pigs for a time experiment: they are placed in hibernation and should be brought back to life after three years. In the meantime, however, World War III breaks out and life has been wiped off the surface of Earth. When they wake up, it turns out that not only 50 years have passed but also that they are the only living specimens of the male sex in a new, underground society composed exclusively of women.

A wealthy industrialist arranges for his body to be kept on ice in a high-tech cryonic chamber. When the instructions are not followed properly, he emerges from the frozen crypt as an empty, soulless creature with an appetite for destruction.