One member of a secret society of female ninjas in contemporary Tokyo is kidnapped by international slave traders. The other female ninjas set about rescuing her.
The insane gynecologist, Dr. Marukido Sadao (Marquis de Sade), theorizes that a woman is unable to become pregnant if she is writhing in intense pain during intercourse. He sets about testing this new method of birth control by torturing women during sex.
An adult film actress is lured into performing in S&M scenes. When she discovers she enjoys it, she begins to find difficulty distinguishing her real life from her acting life.
