阿斯特丽德·尼尔森和警长拉斐尔·科斯特开启了新一轮的调查，她们将与阴谋论者对峙，深入美洲印第安人社区，揭开修道院、精神病院的秘密，甚至面对谋杀阿斯特丽德父亲的罪犯……对她们来说，这一季也将是一段多愁善感的历程。在拉斐尔和马蒂亚斯的关系走到尽头后，她意识到自己对尼古拉的感 情在逐渐转变，但这一切会为时已晚吗？阿斯特丽德将首次打开心扉，尝试与哲夫的恋爱关系，但是孤独症患者和正常人之间会有真爱吗？

　　Astrid and Raphaëlle are back for a new round of investigations that will see them team up with the secret services, pursue a professional killer, rub shoulders with Mormons, the horse racing world, the last descendant of an Aztec tribe, a Buddhist temple, a film set and even confront a criminal who dangerously transforms under the full moon...

两名女传教士被引诱到一个古怪危险的男人家里，试图改变他的信仰，开启了一场猫捉老鼠的游戏。

　　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.