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...
Michael York
Edwige Fenech
Donald Pleasence
Mapi Galán
Fabio Sartor
Score: 10.0
Score: 6.0
Score: 8.4
Score: 8.4
Score: 8.1
Score: 6.6
Score: 7.4
Score: 5.7
