Armin's money problems are getting bigger. He can only pay Jennifer half the rent. The news that Melanie is pregnant distracts him from his own problems. He is spontaneously happy and surprises Melanie with a huge stuffed dog. But even this nice gesture only cheers up his roommate for a short time. She fears nothing more than that her brother might find out about her pregnancy. Jennifer decides to tackle this matter. Armin gets his room back, but has to disgust Bernd from the apartment ... Regina shies away from kissing Gerhard at the last moment. To Joachim, she downplays the trip together and conceals how much she enjoyed herself. When her husband learns this from another source, he cancels the planned evening together with Regina and goes to the Schiller ... Irene explains to Wolfgang that his mother is only in such a bad mood because the house in Schillerallee is celebrating its 100th anniversary today and nobody thinks about it. Wolfgang then decides to organize a party. He invites the house community to the Schiller for the evening. The situation comes to a head when it comes out that the streetballers want to hold a meeting at the Schiller that same evening. Chris and Mike want to play for who gets the pub for the evening. And then they go one better: The team that loses will never appear at Schiller again.