

The premise
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...
Horror Vault's take
When a series of brutal murders strikes and the killer taunts investigators with claims of invulnerability, Police Commissioner Datti finds himself chasing a suspect whose very nature defies easy classification. A celebrated concert pianist becomes entangled in the investigation as the body count rises and the clues grow increasingly baffling. This Italian giallo-inflected thriller leans into psychological unease as much as visceral shock, keeping both characters and viewers perpetually off-balance. The killer's dark secret drives the film toward a disturbing and morally complex conclusion.
Content: Violence, Murder Sequences, Mature Themes
Cast

Michael York
Robert Dominici

Edwige Fenech
Hélène Martell

Donald Pleasence
Inspector Datti

Mapi Galán
Susanna

Fabio Sartor
Davide

Renato Cortesi
Agent Marchi

Antonella Ponziani
Gloria Datti

Carola Stagnaro
Dr. Carla Pesenti
Daniele Brado
Dr. Vanni

Caterina Boratto
Robert's Mother
Lewis E. Ciannelli
Chief Physician
Renata Dal Pozzo
Agent Corsi
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