Synopsis: When a simple robbery at a research institute leads to a series of brutal murders, a blind puzzle maker (Karl Malden) and a tenacious reporter (James Franciscus) begin their own investigation of the crimes. With nine different clues to follow, they uncover a shocking web of twisted genetics and dark sexual secrets that will finally lead them to a shattering climax of violence and suspense.
Audio Commentary by Critics Alan Jones & Kim Newman
Interviews with Co-Writer/Director Dario Argento, Co-Writer Dardano Sacchetti, Actress Cinzia De Carolis & Production Manager Angelo Iacono
Script Pages for the Lost Original Ending, translated into English for the first time
Original Italian & International Theatrical Trailers
Reversible Sleeve featuring Original & Newly Commissioned Artwork by Candice Tripp
Double-Sided Fold-Out Poster
4 Lobby Card Reproductions
Limited Edition Booklet Illustrated by Matt Griffin, featuring an Essay on the film by Dario Argento & Writing by Barry Forshaw, Tory Howarth & Howard Hughes