It is a night traffic check with far-reaching consequences. When policeman Frank Lorenz asked the young man to get out of his car, he saw only one way out: Pascal Pohl fled. He runs to the nearby train tracks. Just a few seconds later he is dead - run over by a tram. But what looks like a tragic accident at first glance turns into an opaque revenge campaign. Lorenz, who is well connected in the scene, knows that the Russian mafia was obviously after the young drug dealer. Max Ballauf and Freddy Schenk take over the investigations .