影片由 悬疑推理大师Patricia Highsmith(海史密斯.帕特里夏)1962年的小说改编而成,Considine在片中饰演的男主角搬到Stile所在的郊区小镇上,并开始暗中监视她。Speedman在片中饰演Stile被甩的前男友,他谋划报复Stile时发现事情变得越来越复杂……A young woman becomes inexplicably attracted to a man who is stalking her. When her boyfriend goes missing, the stalker is the immediate suspect, until a game of jealousy and betrayal turns deadly.