Simon is faced with a mystery: How did the oil get into the goat farm’s pond? Together with Till, he searches for answers using an underwater drone - and discovers a sunken car at the bottom. Is that the missing car from the accident? Gunter is worried about David, who is suddenly missing and has even sold his café in Rostock. When Gunter tries to sort things out himself, Carla is forced to reveal the surprise: David has long since left for Lüneburg. Franzi is pregnant, and Gunter is going to be a grandfather. Svenja suggests to Arthur that they take advantage of Gunter’s absence to offer an exclusive menu at «Carla’s.» But when Gunter suddenly appears at Carla’s with David, Svenja wants to call off the plan. Arthur, on the other hand, is determined to go through with it. Does Svenja trust him? Toni realizes that Valerie is exploiting her and wants to teach her a lesson. She presents her with a crazy astrological interior design concept for a client.