Even by extreme '70s standards, it remains among the more notorious -and disturbing - thrillers in genre history. Now experience, "One of the most entertaining gialli you'll ever see," (10k Bullets) like you've never seen it before. The luscious Edwige Fenech (STRIP NUDE FOR YOUR KILLER) gives the performance of her career as a woman tormented by visions of satanic violence, hallucinatory horror and psychosexual insanity. George Hilton (THE STRANGE VICE OF MRS. WARDH), Ivan Rassimov (EATEN ALIVE) and Susan Scott (EMANUELLE AND THE LAST CANNIBALS) co-star in this EuroShock masterpiece from director Sergio Martino (TORSO) and screenwriter Ernesto Gastaldi (DEATH WALKS ON HIGH HEELS) - with "Possibly one of the best horror scores of all time," (Scream Magazine) by Bruno Nicolai - now featuring a new 4k scan from the original negative and throbbing with exclusive Special Features!