The murderer continues his gruesome series of murders and the pressure to catch him increases massively. When the motive is revealed to the investigators, they know why the perpetrator is murdering, but not who he is.

Frank Elling and Lona Mendt have to get into the lion's den. All clues point in one direction and to powerful people behind the conspiracy.

The detectives have to fight between the fronts and take a stand. In doing so, Elling not only puts his own life in danger, but also that of his family. The shadows of the past claim their final victims.