After an experimental drug trial goes horribly wrong, the surviving test subjects have to fight off sleep, and each other, to stay alive.

在这步3《幸福四字箴言》的续集中，莎莎、公主和齐姆开启新的人生篇章，各自经历同时亲人、家庭恩怨和新的恋情

　　After a series of disturbing supernatural events in his home, Joel, a young single father, comes to suspect that his young son may be possessed.　　约尔是一个单身父亲，在他的家中出现了一些列超自然灵异事件滋扰以后，他开始怀疑自己的小儿子是否被附身。

Summer 1941: Hitler invades the Soviet Union. Convoys of cargo ships with war materials began the perilous journey to Murmansk, and ordinary sailors face the German superiority in the icy Arctic sea, putting their lives at stake.