A young girl is missing, and her boyfriend dead. Police inspector Hedda Hersoug is back in her birthplace to live a quite life, but is forced to work with the solitaire superintendent Joel Dreyer hunting down a serial killer.
Dreyer suspects that they may have overlooked some details at the scene of the crime and orders an excavation of the area. Skeletons are found buried and the outlines of a mysterious mass grave arise.
Jani disappears. Helle and Dreyer fear that their chances of finding her alive are slim. Dreyer finds out that Helle is making progress in her private investigation. Subtitled.
Helle is hailed as a hero for having rescued Jani and solving the three decades old murders but remains haunted by guilt. Tyra's murder has still not been solved, and the investigation continues.
Helle and Dreyer are suspended from the investigation, their methods coming under scrutiny. However, they don't give up and continue to investigate on their own...