The Slasher ... Is the Sex Maniac!

Inspector Capuana (Farley Granger) investigates a series of brutal murders targeting unfaithful wives and adulterous spouses, where the killer leaves compromising photographs at each crime scene. The pressure mounts as Inspector Capuana's wife Barbara is revealed to be involved in an affair with a mutual friend, Professor Casali (Chris Avram), who turns out to be the serial killer behind the gruesome murders.