Harry Woltz is a homicide cop with a gambling problem; a problem that leaves him owing a great deal of money to the Russell brothers. To clear the debt they ask him to train John Farrow to murder his wife, Evans, without leaving the usual clues or making the usual mistakes. However when Harry's ex-partner is put on the case, she begins to get closer than Harry had thought before the case takes some unexpected twists.

A scientist discovers dinosaurs on a remote plateau in Mongolia.

埃里卡是新英格兰一家旅馆的一位员工，她是位盲人，看起来非常柔弱。一伙残暴的流氓抢到一辆装甲车，杀死了年老的看守者，霸占了这家旅馆。不久，这些暴徒意识到这所房子里还有一个人，她就是埃里卡，这个看似弱不禁风的少女却是一个强大的对手。