Adi, Hagen, and Gisela listen to rock 'n' roll, like many others in Cologne in 1959. And they are following Salz, the man whose BMW ran over their friend Karl. They are deeply disturbed by the fact that Salz's son is painting swastikas on the city walls, but even more disturbing is the police's indifference. At the same time, Reinhard Clausen is stalking middle-aged men. He's puzzled by the young people who are on Salz's trail. Because the man is on his list. He was the one who threw the first stone through the window of his parents' clothing store that night in November. Reinhard Clausen isn't even his real name. And he's only in Cologne to avenge his family. Chief Inspector Siegfried Hartmann is nearing retirement. He gets the cases that no one cares about anymore. Like that of the young man named Karl, who was killed after the demonstration against rearmament. He wonders where he knows this Salz, the guy who drives the fancy BMW. And slowly, he begins to wonder about the number of murders in the city... New product