Horror directed by Jess Franco and starring Maria Rohm, Marie Liljedahl and Christopher Lee. When the alluring Madame Saint Ange Rohm approaches the innocent young woman Eugenie Liljedahl with the offer of a period away from her conservative parents, Eugenie jumps at the opportunity. Madame and her stepbrother Mirvel Jack Taylor both enchant Eugenie with their charm and at first the young woman is excited about the sexual liberation in store for her on their luxurious island. But as their games begin to take a darker turn and an overbearing nobleman makes his presence known, Eugenie regrets her curiosity.