Summary Sneakily surfing on the Chiemsee before work, controller Lorenz is shocked to find the corpse of Bavarian champion windsurfer Jakob Brandner. Pathologist Mai finds him OD-poisoned by sabotaged insulin pump. Before Sven Hansen can leave on Caribean holiday by Hamburg, he and Mohr must start the case while waiting for one of two new colleague detectives, erroneously both called upon. Chief Achtziger assumes Verena Danner was again falsely sent from Regensburg, but she dropped her Afschaffenburg friend and plans to stay a while. Promising police academy honor student Oliver Gehring was sent from Munich, dreams of a national profiling career but is happy to stay and learn, to secretary Stockl's delight. Brandner's mate and business partner Stefan Waxenberger tells Danner romantic partner Christina Schweiger was jealous of some affair. Sportsware manufacturer Richard Kohlhuber also bickered with the victim, and Stefan Waxenberger stole from a joint account. The victim's laptop contains the decisive clue.

• Comedy
• Crime