A pot of half a million marks - donations for workers who want to prevent the closure of their factory by occupying the factory - disappears after a brutal robbery; and shortly afterwards one of them, the union official Broegger, is murdered.
Two Polish truck drivers are brutally murdered by an Arab hit squad at a scrap yard in Duisburg. At the same time, the exiled Pole Leczek, scrapyard owner and pimp, is apparently to be executed. But the attack fails. Schimanski and Thanner, who both witness the attack, can't believe their eyes.
When a policeman is killed, Schimanski's investigation gets personal.