Hubert and Girwidz find a body rolled up in a carpet by the river. The victim, Johannes Graf, had been reported missing by his wife that morning. She had assumed he was hiking in the mountains. He had recently made drastic changes to his life after consulting with life coach Seligstein. Graf was not in the mountains at all, as revealed by the tracking app on his cell phone. When the police manage to update the app, they discover that the cell phone is apparently still moving through Wolfratshausen...