When three women are brutally murdered in four nights, private detective John Duval, ex-lieutenant commander in Naval Intelligence, finds himself the prime suspect in a police hunt for the sexual killer stalking Portsmouth's silent hours. 　　译文(2): 当三个女人在四个晚上被残忍地杀害，私家侦探约翰杜瓦尔，前海军情报中尉指挥官，发现自己的首要嫌疑人在警察追捕性杀手跟踪朴茨茅斯的沉默时间。