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.

Chief inspectors Frank Elling and Lona Mendt are critically injured during a witness protection mission. The witness, twelve-year-old Sarah, manages to escape the brutal attack but has disappeared. Special investigators Hagen Dudek and Maya Kaminski take over the investigation and are faced with a difficult case. All files and records relating to Lona's and Elling's previous mission have been inexplicably deleted. What happened?

Detectives Lona Mendt and Frank Elling are investigating a complicated murder case that leads them into a web of dark secrets. The focus of the investigation is twelve-year-old Sarah, a Bulgarian orphan girl. But two weeks after they began their investigation, Lona and Elling are shot. They are in a coma, while Sarah disappears without a trace. Special investigators Maja Kaminski and Hagen Dudek take over the mysterious case. Their search for the truth becomes a dangerous game.