A few days before Ehrlicher retired, he was called to a new housing estate on the outskirts of Leipzig. A woman lies dead in her house. Rudolf Hahn, the dead man's friend who found her, claims that she hanged herself. Chief Inspector Ehrlicher doesn't believe in it because the interior of the house is badly devastated. In the house of the dead one finds a room that indicates that the young woman had offered sexual services for money. A little later, Hans Meier, the general contractor for most of the new houses in the area, is also dead. While Frederike and her colleagues try to organize a farewell party for Ehrlicher, Ehrlicher and his colleague Kain investigate the connections between the suspect Rudolf Hahn and the building contractor Hans Meier
They search the companies of Meier, who also ran a brothel. Eva, the new friend of Chief Inspector Kain, also lives in this settlement, and she was even friends with the dead woman. Her house was also built by Meier's company. Ehrlicher realizes that Cain is in a conflict of loyalties. Can he still trust him? Your partnership will be seriously tested.