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.

Duccio Tessari's rare Giallo starring Helmut Berger, Giancarlo Sbragia, Evelyn Stewart, Silvano Tranquilli Carole Andre. A young student is murdered in a park by an unseen assailant during a heavy thunderstorm. The murderer makes his escape, but is identified by a number of people at the park exit. A sports presenter from a local TV channel, Alessandro Marchi, is quickly arrested, and despite protestations of innocence, is charged with the murder.Marchi calls his lawyer, who promises to have him released very soon, but when it comes to the trial the lawyers case is a weak one, full of holes, and Marchi is duly found guilty.All is not what it seems and it soon becomes apparent that the lawyer is having an affair with Marchi's wife and obviously does not have Marchi's best interests at heart…