Varg Veum is no longer working as a private investigator. He's got a permanent job as a teacher, and has calmed down his life, enjoying the domestic bliss with his new girlfriend Karin, but the idyll doesn't last long. Veum gets a brutal meeting with the past, when "The Knife" is released from prison, determined to take revenge on those who got him convicted for the murder of a teenage girl.

第二次世界大战，1940年4月，德国入侵挪威。挪威中央银行的秘书主动肩负起了黄金储备的撤离行动，以防止它们落入德国人手中……

19年后，当Kai Koss回到家乡继承他已去世母亲的房产时，尘封已久的痛苦回忆顿时被打开……
在Kai还小的时候，他就离家出走了，离开了发疯的母亲。一晃二十年过去了，他所痛恨的那个女人已不在人世，而他继承了母亲森林里的一栋房屋，正是他少时逃离的地方，那里充满了残酷的回忆和不为人知的秘密……

为了保护自己的家人，一名警探掩盖了一桩谋杀案。但他的搭档却怀疑有人捣鬼，致使他身陷一场事关职责的危险游戏。