A young woman is hired to care for an elderly man who lives on an island off the Greek coast. When she arrives there the man warns her that his daughters are evil and dangerous. The woman discovers that one of the daughters is a crazed nymphomaniac who pursues, and seduces, everyone in the house, including her crippled sister.

Maria, an unfortunate young woman, kills her rapist father in self-defense, and is later tried, sentenced, and shipped off to a woman's penitentiary where she and her fellow inmates are subjected to psychological and sexual abuse at the hands of a psychotic lesbian warden.

After the fall of the Third Reich, all Nazi SS officers ran away in Latin American countries. There they created special laboratories to crate beautiful women for satisfaction of their guards' sexual desires. The main warden in this prison is a cruel woman. Their main plan is to revenge for defeat of Nazi's Germany.