Nora is a young tourist traveling through Rome which takes a sudden turn when she witnesses a murder by a serial killer that the police have sought for years for the so-called Alphabet Killings, and Nora soon finds herself in way-over-her-head trouble when the police want her cooperation to catch the killer while the mystery killer soon targets her for his next victim. 　　译文(2): 诺拉是一个穿越罗马的年轻游客，当她目睹了一个连环杀手的谋杀案，警察多年来一直在寻找所谓的字母表杀人案，诺拉很快发现自己陷入了一个高于她的头脑的麻烦，当警察希望她的合作来抓住凶手，而神秘的杀手很快目标她为他的下一个受害者。