Matthias, Corinna's ex-boyfriend, forcibly gains access to the attic apartment. Chris saves the situation and kicks Matthias out of the house. Margot Weigel, the landlady, has watched the scene disapprovingly and is outraged loudly about the new tenants. Alexander and Chris defend Corinna and realize that they have both fallen in love with her. Armin, Alexander and Chris go to the cinema with Corinna. Each of the three men tries to get the seat next to Corinna. And Alexander got that seat. In the 'Schiller', Chris is looking for a suitable opponent in the game of billiards. Armin offers himself, and Chris thinks he has an easy game against the 'gay'. But he is mistaken. Till is unhappy because he wants to be friends with both Antonia and Marc. But the two of them are not to be reconciled. He spends the evening with Marc while Antonia sits on the roof in frustration. Wolfgang Weigel learns from a clumsy remark from Antonia that Chris wants to become a policeman. Little by little, it turns out that apparently everyone in the house knew about his son's career plans, except him. For Wolfgang, a world collapses, because he always wanted Chris to become a lawyer like his great-grandfather. It comes to a quarrel between father and son.