Saturday. Gameday. A Saar-Palatinate football derby keeps all the emergency services in Saarbrücken on tenterhooks, including the chief commissioners Leo Hölzer, Adam Schürk, Esther Baumann and Pia Heinrich. After the game, a death was reported in the emergency room. Andreas Schneider collapsed in the emergency room with skull fractures and a stab wound and could not be saved.

It quickly turns out that he spent the “third half” at a field match. But whether he also suffered the fatal injuries there remains unclear for the time being. Because as much as the hooligan groups are enemies, they also agree that the biggest and common enemy is the police. Therefore, they confront the Saarbrücken team with silence and clarify their struggles among themselves. Adam Schürk also hides certain truths. However, when he is attacked at his home because someone is looking for the millions from his father's bank robbery, he has to let Leo Hölzer know.

Saarbrücken, deep in the night. An explosion shatters the silence. Sleepless Chief Inspector Pia Heinrich is the first on the scene: a security guard was killed in a brutal robbery of an armored car. When Chief Inspectors Leo Hölzer and Adam Schürk arrive, they are presented with a disturbing scene left behind by a massive explosion. What does the number sprayed on the street mean? Does a trail lead to an internationally wanted criminal gang in neighboring France? Chief Inspector Esther Baumann activates her contacts with the French police. Or does the surviving security guard know more than he admits? The team has barely begun their investigation when events take a dramatic turn and Pia is in danger...