The thriller series "Blochin" is a kaleidoscope of Berlin and tells the story of the policemen of Homicide Squad 7, of their families, friends and foes. It tells of an intricate reality in which the underworld is inseparable from high society. And in the midst of all this, Blochin, a man who cannot escape his past and who has nothing in common with his partner Dominik except that Blochin is married to Dominik's sister. Blochin used to work on the other side of the law. Now he has to gather information on his old pals from the East Berlin club and drug scene. The case he's working on begins to cause ripples in the world of Berlin's political elite. A high-level secretary with whom Dominik is having an affair plays an important role here. This, however, is only the beginning of a drama that explodes the boundaries between good and evil.