A fierce detonation blows up a fashion outlet mall in Salzburg. Despite Ellie and Gedeon trying to evacuate the building in time, a child is fatally wounded in the explosion. The deadly assault riles up the general public, whereas politicians and the media demand fast results from the police. In Austria, Gedeon has to fight to stay on the case. In Germany, Ellie loses trust in her superiors more and more. After the Krampus Killer has leaked details of her affair with her boss to the press, her life collapses.

Gedeon wakes from a coma only to receive unwelcome news from his medical team. Meanwhile, Ellie struggles to hide the extent of her trauma. A new case comes in from Austrian investigators—prompting Ellie to pass it to new colleague Yela.