Directed by: Ruggero Deodato
Stars: Michael York, Edwige Fenech, Donald Pleasence
Also known as: Un delitto poco comune, A Morte Era a Única Saída, Bestia asesina, I metamorfosi, La casa di Via Rubens, Le tueur de la pleine lune, Off Balance, Squilibrio
Description: 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 seems to point in strange directions..