Collection of three giallo features directed by Luciano Ercoli. In The Forbidden Photos of a Lady Above Suspicion (1970) Minou (Dagmar Lassander) is drawn into a dangerous conspiracy involving blackmail and murder to protect her husband Peter (Pier Paolo Capponi) and doesnt know who she can trust. Death Walks On High Heels (1971) finds nightclub dancer Nicole Rochard (Susan Scott) being questioned by police in Paris about some diamonds that her father is suspected of stealing. She is unable to give them any information but shortly afterwards, she is stalked by a balaclava-wearing man with distinctive blue eyes who is certain she knows more about the diamonds than she is letting on. Fearing for her safety, Nicole flees to England, only to find her life in peril once again soon after she arrives. Finally, in Death Walks at Midnight (1972) fashion model Valentina (Scott) agrees to take LSD with her journalist boyfriend Gio Baldi (Simon Andreu) to explore its effects. Shortly after taking the drug, Valentina believes she sees a woman being murdered with a brutal weapon. Convinced that the killing really took place, Valentina discovers that an identical murder was committed only months before. Shunned by the police, she decides to investigate the mystery for herself, but what she unearths soon puts her life in grave danger.