一个死去的女人漂浮在Tjuvholmen的岸上，Lars Haaland需要和他的新搭档，维京时代的Alfhildr Enginnsdottir一起调查此事。

调查带领着拉尔斯和阿尔菲希尔德进入了奥斯陆一个前所未有的多时空地下世界。

拉尔斯和阿尔菲希尔德在Tjuvholmen谋杀案中找到了新的主要嫌疑人：一个来自石器时代的富有企业家。

拉尔斯的女儿卷入了一场神秘的海上事故，阿尔菲尔德尔不得不寻求北欧人的帮助来继续调查。

为了寻找Tjuvholmen案的答案，拉尔斯成了自己最大的敌人。

对Tjuvholmen杀手的追捕即将结束，Alfhildr必须面对一个残酷的事实。

Alfhildr and Lars reunite for a murder case that raises the question: could Jack the Ripper have timeigrated to the present?

A gruesome letter sends Lars and Alfhildr’s investigation in a new direction.

The hunt for the fake policemen, Ben Joseph, takes Alfhildr and Lars to London, where they gain important information about the New-Luddites' methods. Ingrid decides to tell the Norse weatherman Sturla about her pregnancy.

The disappearance of a fortune teller puts Alfhildr and Lars on the killer’s trail.

With a timeigrant’s life on the line, Alfhildr and Lars resort to unorthodox methods to get closer to the truth.

Alfhildr wakes up in a highly unexpected situation. Is she ever going to make her way home? Pushed to the limit, she makes a profound discovery about herself.