Edwige Fenech

Police Comissioner Datti is investigating the murder of a female doctor whose murderer seems to be a thirty-fivish year old man. Soon another murder follows: Pianist Robert Dominici's girlfriend is found killed. The killer also challenges Datti on the phone and says he can't be caught since he has a secret which makes him invulnerable. In the meantime the clues ...

A high-rise apartment populated by models, nightclub dancers and call girls becomes the focus of a mysterious serial killer. When a young model named Jennifer and her friend Marilyn move into one of the victims' former apartments, Jennifer becomes the next target and the pair try to identify the killer.