A new phenomenon starts happening all over the world. Powerful flashes of light occur in the ocean, and people from the past appear from three time periods; the stone age, the Viking age, and the late 1800s.

A brutal murder in Oslo with ties to 19th century England raises the question: Could Jack the Ripper have timeigrated to the present? Lars and Alfhildr soon realize that if they are to capture this killer, they can only trust each other.