The murder of her colleague Yela Antic doesn't give Ellie a moment's peace: she wants to bring Gedeon to justice for stealing the murder weapon. Meanwhile, Gedeon delves more and more into his past.
A burnt woman's body is found in Austria. Instead of Ellie, her new colleague becomes the liaison officer in the German-Austrian Soko. Gedeon distrusts his colleague, Rafael Lutz.
Ellie and Gedeon work together again, but in secret Gedeon is looking for the artist Oskar Koschlick. After another murder, Ellie receives an important clue from journalist Charles Turek.
While new evidence leads to an Reichsbürger, Gedeon continues to search for Koschlick. In the process, he is increasingly plagued by hallucinations. Ellie and Rafael get into an argument.
Another murder points to a series - the perpetrator profile fits the main suspect. Activists and police clash at the Gössen construction site. Gedeon comes across a legendary figure.
A supposed motorbike accident on the pass road leads Ellie and Gedeon to a ritual place in the forest. They learn more about the legend of the Schinder Jackl. Turek makes a confession to Ellie.
During an operation in the forest, the police are confronted by a mysterious man who does not reveal his name. What does he have to do with the murders? Gedeon gathers the last of his strength to find Koschlick.
A house search ends disastrously and still the officers don't know how the suspects and the murders are connected. To solve the case, Ellie and Gedeon go beyond their limits.