The truck driver Carsten Eggers is found shot to death in the driver's cab of his truck. Was he deliberately lured into the isolated forest by the perpetrator? Overshadowed by the death of his colleague Kay, Robert has to get involved with his new partner Mavi Neumann, who is assigned to him by his boss and secret affair Katharina to investigate the case. Together, Robert and Mavi find out that Eggers had been leading a complex double life with two families for over 18 years. On the one hand, Raja Eggers and their two daughters Dana and Melissa, on the other hand, Astrid Mankowitz and their son Finn. Did one of his two wives find out? During the course of the investigation, Carsten's best friend Hanno Richter is targeted by Robert and Mavi.