In a hospital in Hamburg, an unidentified woman is disconnected from the life-support system. While the investigators search for the mysterious perpetrator, two more men are murdered.
Single father Markus lives with his homosexual son Leon. He wants to get to the bottom of the origins of their rather pragmatic cohabitation, because his 17-year-old son is hardly ever at home and issues a clear ultimatum: he will move in with his boyfriend.
