The alleged rapist Thilo Menken is acquitted in court. Freya is convinced of his guilt and decides to take care of justice.

Thilo Menken has disappeared without a trace and everything points to a violent crime. The new Chief Inspector Silowski begins to investigate. Freya's mother dies and the funeral awakens traumatic memories.

The trail in the case of Menken leads to the missing person's sister. Freya is worried about this trail and watches Sabine Menken. Anna Liebig discovers similarities in some of the unsolved murder cases.

Freya is worried because she may have been wrong about Thilo Menken. Marie's pimp Murat is released from custody. He is the only witness who can say what happened to Marie.