Regina and Marc come with Laura and Monika Böhme to the Albrechts' apartment. Monika wants to report Marc because of the photo. His father Joachim reacts calmly and introduces himself to Mrs. Böhme with all kinds of academic titles. He explains to the angry woman that she has no evidence from the photo because it shows nothing compromising. Laura puts all the blame on Marc. Monika Böhme has to be satisfied with Joachim's alleged inquiries about the legal situation and angrily leaves the apartment with Laura. Marc is disappointed that his girlfriend stabbed him in the back. He breaks up with her. He is also jealous because Antonia gets along so well with his best friend Till. He demands that Till decide between him and Antonia. Antonia, sensing what is going on, evades from him for Till's sake. But the two of them suffer from the separation. Till gets comforting advice from Aunt Sophie. Olaf and Antonia also immediately fall in love with the nice old lady. Sophie offers to help them furnish the apartment. During the aerobics class, Jennifer discovers a certain Matthias, who obviously makes her nervous. She asks Oliver, one of her students, not to leave her alone with him. Matthias tries to ask Jennifer about Corinna. But she explains to him succinctly that Corinna doesn't want to know anything more about him and that he should leave her alone. Jennifer, who is driven home by Oliver, does not notice that Matthias has followed them. When the doorbell rings in the evening, Corinna, who is expecting Armin, wants to open it and slams the door shut in shock when she sees Matthias. He loudly threatens to enter by force if necessary if she does not let him in.