Two schoolboys who have just discovered a mutual attraction are witnesses to the murder of three gang members. Although Jan and Lukas are seen, they are able to flee, but the fear of being found by the murderer starts to weigh heavily on them. The local police chief Helen (Nicolette Krebitz) is investigating the case, along with her Munich colleague Corinna and her new boss Roman Berg. In a mix of fear and embarrassment, the teenagers hope that staying silent will keep them alive.
In their second joint case, detectives Lisa Kuen and Alexander "Alex" Yüsüf-Demir from the Innsbruck criminal police investigate a murder near a small Tyrolean town, where a dead man is found in the Wolfsschlucht, the victim was shot.