Corinna and Jennifer agree that Armin moves in with them, provided that Mrs. Weigel does not object. Margot, who considers the young man to be Corinna's cousin from a good family, agrees. Chris is jealous that Armin and not he moves in with the two women. But then Corinna tells him that Armin is homosexual. While Marc and Laura sit bored on the couch and wait for Regina's homecoming, who wanted to cook for the whole family, Joachim and his son Alexander talk animatedly about art history. Marc doesn't want to wait anymore, he goes with Laura to the 'Schiller'. And that's where he stays when his mother finally comes home and wants to get him. Till and Antonia appear at Schiller. While playing pinball, Laura and Antonia get into an argument. At that moment, Regina and Laura's mother Monika Böhme join them. Monika forbids Laura any contact with Marc. Nevertheless, the two of them secretly meet again on the roof. A snapshot showing Marc having his hand under Laura's blouse falls into Monika Böhme's hands. Antonia and Till are not entirely innocent of this and reproach themselves when Mrs. Böhme threatens to report Marc for seducing minors.