Friedemann Berg sustained a complicated leg fracture in a skiing accident, which is why Franziska Tobler is working with her colleague Luka Weber on her current case. The two have been trying for a while to solve the murder of a 17-year-old and her tennis coach and are on the verge of overwork. A new lead leads them to the unruly Peter Trelkovsky, a self-proclaimed womanizer who lives a secluded life in a trailer. Law student Damian is also among the witnesses they interviewed. He, too, is exhausted, under pressure from his exams and threatened to break down. In addition, Damian is plagued by dark fears. His girlfriend Mia tries to help him, but doesn't get through to him. The only person he listens to is his buddy Georg.
The inspectors don't really take the confused Damian seriously, especially since he seems to have an alibi for the time of the crime. And they have to deal with a second death, because a burnt body was found in a burned-down hut in the forest...