After leaving his prestigious post at the University of Toronto, Gabriel embarks on a new journey with Julia, and he is eager to become a father. However, Gabriel's idyllic vision is jeopardized when Julia's intensive program becomes all consuming. When Julia is granted a prestigious opportunity to deliver an academic lecture at Oxford, Gabriel challenges her about the subject ...。故事讲述未来世界被恐怖的变异怪兽占领,幸存者被分割成小型部落,艰难地为生存而战。其中一个部落中的几个年轻人逃离了怪兽们的一次围攻,因而发现了外面有更多的人类生存,虽然他们过得其实也挺惨。。第4部门在中东最危险的区域执行一个绝密的任务,被一伙称为黑骑士的私人军队伏击,并被当做人质。部门首领纳什奥尔森逃脱囚禁,他发现自己完成那个任务是不可能的。纳什开始一个人拯救自己的团队,来完成这次任务。。