Summary The catch of a huge catfish holds an unpleasant surprise for two anglers. In the belly of the fish is a severed woman's finger with a wedding ring. The search for the woman that belongs to the finger proves difficult for the WaPo Bodensee. Finally Julia finds a first lead. It leads to a professional fisherman, Johannes. He claims not to have heard from his wife Greta since she went to Australia with her new boyfriend. Their son Michael is obviously upset. His uncle Andreas reacts dismissively to the visit from the police and directs suspicion towards Johannes. He becomes more and more entangled in a web of lies, so that even his son no longer trusts him. The fisherman was already investigated when his wife disappeared twelve years ago. Then a card from his wife from Australia saves him... Meanwhile, Jakob and Paul have tracked down the man who is said to have gone to Australia with Greta. He now calls himself Chandrabanbdhu Shan and, as a guru, takes money out of single women's pockets. Paul doesn't like the enlightened man and chases after him. Shan anchors with his charges in a nature reserve. But then danger suddenly threatens from a direction that no one had previously expected... In her private life, Nele is taken by surprise by a message from her son Niklas. He wants to travel to Hamburg for his father's 50th birthday. Nele learns that her ex is happy with a new woman. Her mother Mechthild parries her bout of bitterness with an important insight. In an act of female solidarity, she can now even laugh at Niklas' father.

• Crime