Night patrol duty in the big city. "Disturbing the peace", a routine operation in the neighborhood - but obviously the patrol colleagues stabbed into a drug nest. A suspected dealer suddenly opens fire. The young patrol officer Sandra (Anna Herrmann) dies in a hail of bullets, a second man in uniform, Harald Stracke (Peter Trabner), who is about to retire, is shot. A third party gets away with the shock becausehe is the only one wearing a protective vest: Tolja Rubin (Jonas Hämmerle). The inspector's son is doing his internship on patrol duty. Trainee Tolja got caught up in contradictions during the first interrogation. What really happened that night at the crime scene? Was it about drugs - or about much more? Then there is a second death and step by step Nina Rubin and her colleague Karow track down a horrific truth...