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.

　　该片根据Max Porter的小说《Grief is the Thing With Feathers》改编，讲述了一位父亲和他的两个年幼的儿子如何面对妻子和母亲的突然死亡，在试图重建生活的过程中，遭遇了一些神秘的事情。

　　高中生旗野与同班同学菊池曾同时向“路人”告白，虽勉强化解尴尬，但他又回到了“路人·其他大多数”的日常。中学生男生互赠“第二颗钮扣”的场景，让“路人”意识到毕业季到来。然而，身为“绝对不想BL的男人”，此刻他正为另一件事所苦——花粉症。因为湿润的眼睛与泛红的脸颊，竟可能成为开启BL的危险旗帜！他能否成功回避？　　故事中，“VS伪装”“VS睡着”“VS学习会”“VS职场体验”“VS配对”“VS圣诞节”等等，接连不断的LOVE FLAG向主人公“路人”袭来──！