When the battered body of a teenage boy is found in a lake, Karin Muller, newly appointed Major of the People's Police, returns to lead the investigation. But in East Germany, her power only stretches so far. Searching for answers, Muller must work behind the backs of the Stasi if she wants to uncover the truth. And with the possibility of a broader conspiracy at large - one that affects even those closest to her - the stakes are higher than ever,...