Katja and David both got a false impression when they first met, and are having some problems working out the difference in their ages as well. Suddenly, Katja thinks she may have found a solution...

More about the family's history is revealed, and Lilly prepares to go back to the West. When she boards the train, Till gives her a 1989 calendar, which means it won't be long before Lilly can live with them.

Marga is happy to move into the property's guesthouse with Olga, with whom she gets along quite well. The two decide to help each other with their problems with Herr Ohrmann.

Cettina goes through more questions about Germany, particularly related to the GDR and its EU membership.

Marga gets Dr. Gössel to confess that he tampered with Mr. Ohrmann's car. As it turns out, they have a lot in common...

EFF is a collaboration between singer Mark Forster and DJ Felix Jaehn. The song "Stimme" has a positive message about trusting yourself.

When all three friends are back at the apartment, Brigitta encourages Marie and Julia to speak about what's bothering them.

Philipp Dittberner is a singer-songwriter from Berlin. In this song, he examines life's ups and downs and the strength in accepting them.

Nora, fed up with the demands society makes on women, has tried to solve her problems in a rather unusual way, and ended up even more frustrated.

"Herzbeben" was written by TV star Stephanie Stumph, who decided she wanted to create a hit song for Helene Fischer. It's an edgier sound for Fischer, who is generally known as one of Germany's most popular Schlager singers.

Nico listens while Tarek takes care of various scheduling matters at the café.

Heike claims that her husband Fahri is refusing to respect her expectations for their marriage, but it seems there may be another reason that she is constantly unhappy.

Marga goes to the university library to try to study cases similar to her own against Herr Ohrmann. Later, she cooks him dinner.

Tarek and his friends arrange to play football, but they are missing a player.

Julia met a really nice guy at a party that the three friends attended. The next day, they talk about how she should proceed.