Based on another of the notorious novels by the Marquis De Sade, the story is of Eugenie Radeck, who lives with her widowed stepfather, a renowned writer in Berlin. One day she accidentally discovers her fathers true sadistic, perverse character. Instead of being shocked, she becomes his accomplice and they plan to commit the perfect crime together. They decide to kill an unknown photo model just for the thrill of it. Their perverse, deadly relationship thrives until Eugenie meets a young musician. Tragedy follows as jealousy rears its ugly head.