Ever since she helped him arrest his archenemy Goran Tonka, "Butsch" has felt responsible for Sandra. Now her roommate is found dead. Slain in a deep cauldron of the old Görlitz yeast factory. It is worrying that the dead woman is wearing Sandra's jacket and that she has not only been observed for days, but also feels threatened. Is Goran Tonka on a vengeance campaign and accidentally got the wrong person?