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

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

A dead woman floats ashore at Tjuvholmen and Lars Haaland need to investigate the matter with his new partner, Alfhildr Enginnsdottir from the Viking Age.

Lars and Alfhildr have a new main suspect in the Tjuvholmen murder: a rich entrepreneur from the Stone Age.