Berlin in the 1920s... The city where history is made - communists are fighting on the barricades and Nazis are amassing strength. European Babylon, the capital of vice, where the moral police will always reap the richest harvest. But this does not suit Gereon Rath, an employee there: he dreams of getting into the homicide department. When a corpse with signs of brutal torture is discovered and the workers at the “killing station” helplessly shrug their shoulders, not having the slightest clue, he realizes that this is a chance to conduct a successful personal investigation and achieve the desired transfer. After all, by pure chance, he knows something about the murdered man. When he gets down to business, the commissioner has absolutely no idea what kind of hornet's nest he is sticking his nose into...