欲海杀机是由里卡尔多·弗里达  执导，克劳斯·金斯基  克里斯蒂亚娜·克吕格尔  金特·施托尔  等人主演的，于1969年上映，该恐怖片讲述的是：John Alexander’s wife, Helen, has left him for her lesbian lover. As she speeds away from their mansion for the last time, her Jaguar explodes and she is killed. As the weeks pass, police detectives begin to suspect Helen’s death to be murder with John as a prime suspect. Still devastated by the loss, John slips into a deep depression until he views a recently made lesbian porn film that appears to feature his dead wife! He becomes obsessed with finding the woman in the film and his search propels him into the sleazy porno underworld of drugs and mobsters, with the police detectives one step behind him.