Versumpft

After a border dispute between Bönle and his neighbor Lederer, Lederer's wife Valentina disappears without a trace. She is soon found near the Bönle property with a screwdriver in her chest. When Lederer is also murdered a few days later, Bönle comes under suspicion. He evades arrest, hides in the marsh, and tries to investigate the perpetrator on his own. When a student of Bönle is found with a crushed skull in his marital bed, the situation seems hopeless for the teacher. Can he prove his innocence?.