第二次世界大战中的一次轰炸任务意外击中一所满是孩子的学校，几名哥本哈根居民的命运因此交织在了一起。本片改编自真人真事。

连长Claus M. Pedersen率领着他的士兵驻扎在阿富汗的一个省。远在丹麦，Claus的妻子Maria的生活也遇到了很多的烦恼。丈夫在很远的地方参加战争，让她提心吊胆，而且孩子们也哭闹着想见到自己的父亲。在一次看似寻常的任务执行当中，士兵被困在了火力凶猛的包围圈之内。为了拯救他的士兵，Claus做出了一个会给他自己以及他的家庭造成难以想象后果的决定。

In Nightwatch the sequel, Emma, a medical student, takes on a nightwatch job in the forensic department. And it is no coincidence. Since the fatal night-30 years earlier, when psychopathic inspector Wörmer almost killed Emma's parents, who were saved at the very last minute by their friend Jens, her family has been haunted by this horrific memory. Her mother Kalinka, actually committed suicide when Emma was 10 and her father Martin is still the shadow of himself. 　　The young woman decides to investigate what happened in her parents’ past. Upon meeting with Wörmer, Emma wakes him from his coma, and unintentionally initiates a bloody revenge on all of those who sealed Wörmer’s destiny.