Newlyweds Mario (Antonio Sabato) and Giulia (Uschi Glas) have their honeymoon stunningly interrupted by an attempt on Giulia's life. Can they piece together the identity of the serial assailant-who's claimed the lives of six victims, and leaves a moon-shaped locket at the scene of the crime-before they return to complete the job? Umberto Lenzi's nerve-numbing giallo, based on a novel by Edgar Wallace, co-stars Marina Malfatti, Rossella Falk, Marisa Mell. AKA: "Puzzle of the Silver Half Moons." 92 min. Widescreen; Soundtracks: Italian, English; Subtitles: English; audio commentary; featurettes; theatrical trailer. In Italian with English subtitles/Dubbed in English.