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

Cast: Stig R. Amdam, Madeleine Malling Breen, Nicolai Cleve Broch, Thomas Tokle Christensen, Åsmund Brede Eike, Ágústa Eva Erlendsdóttir, Kristin Grue, Ragnhild Gudbrandsen, Lavrans Haga, Eili Harboe, Stig Henrik Hoff, Kristoffer Jørgensen, Nader Khademi, Harald Kolaas, Krista Kosonen