Little-seen thriller from shock master Dario Argento stars Anthony Franciosa as an American mystery novelist visiting Rome who becomes the prime suspect when a series of slasher murders occurs that parallels his latest book. After he decides to launch his own investigation, he might not live to make his next signing! John Saxon, Daria Nicolodi, John Steiner also star. AKA: "Tenebre," "Unsane." 101 min. Widescreen (Enhanced); Soundtracks: Italian DTS HD stereo Master Audio, English DTS HD stereo Master Audio; Subtitles: English; audio commentary; documentary; alternate opening sequence; alternate end credits sequence; theatrical trailers. In Italian with English subtitles/Dubbed in English.