在这部摧花手悬疑/惊悚/恐怖片中,美国游客山姆隔着美术馆的玻璃窗，瞥见一宗企图谋杀，他的及时出现让凶手逃走了，获救的女子芳名莫尼卡。不久，山姆仿佛受了蛊惑似的对这宗谋杀着了迷，他决定追踪凶手的下落，这自然让他的女友朱丽娅很不快；而同时他和女友也开始接到威胁电话……
In Italy, the American writer Sam Dalmas witnesses an attempt of murder of the owner of an art gallery, Monica Ranieri, a couple of days before returning home. Inspector Morosini, who is in charge of investigating the three previous murderers of the serial-killer, asks for help to Dalmas and takes his passport. Dalmas decides to stay with his girlfriend Julia and to help the police in the investigation. The killer threatens Dalmas and Julia by phone and the police overhears a strange noise in the tape. Soon the serial killer stalks Julia and Damas. Who might be the killer?
一个疑问。对argento的些许失望。大师处女作。
