No one understands why Aylin didn't tell her parents about her boyfriend. Bernd tries to get to the bottom of the truth while screwing cars. The flatmates also puzzle over Aylin's motives and come to the embarrassing conclusion that they hardly know anything about her. But that's about to change. At the St. Nicholas party, Aylin surprises the flatmates with an invitation to her father's birthday party ... Joachim overruns his seminar by a few hours because the conversation between him and the student Claire is so stimulating. Joachim is reminded of his time as a young lecturer in Paris. Regina's appearance causes Claire to say goodbye in a hurry. In the foyer she meets Alexander, who is able to captivate her with a poem. In the Schiller, Claire listens to him about his family ... Wolfgang suffers a fainting spell due to illness and demands that the family step in at the store. Irene persuades him to finally seek help. Margot finally has her appointments and Till goes on a school trip. Through Till, Marc casually learns about Wolfgang's bottleneck. He tells Ute about it, who has high hopes for the job. But when she plucks up the courage to ask Wolfgang, he has already taken the job. Ute is devastated.