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. […]
A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.
A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel. Originally passed with cuts for cinema. Tenebrae was on the official UK video nasties list. Released with 5 seconds cut in 1999. Re-released uncut in 2003.