Eugenie, an innocent young woman, is taken to an island paradise where she is initiated into a world of pleasure and pain controlled by the sinister Dolmance. But when she surrenders to her own forbidden fantasies, Eugenie becomes trapped in a frenzy of drugs, sadomasochism and murder. Can a frightened girl in the grip of carnal perversion find sanctuary in the orgies of the depraved?

A bunch of delinquent women are shipped to an island prison run by the sadistic warden Carla. Forced into situations of sexual perversion and violence and torture, the prisoners band together to try to overthrow Carla and escape the island.