Ella and her friends sign up for a song contest that offers her the chance to make it big in the music business. Her strongest competitor is rapper alfaMK, who already has a fan base and is also outrageously good-looking.

Richard lives apart from his wife. He is unemployed. His life is really not running smoothly right now. Rather by chance, he gets into conversation with the director of his daughter's school, who is desperately looking for teachers - which gives Richard an idea. He is a mathematician. And after all, everyone can become a teacher!

Although Volker is one of the less privileged people as a parcel deliverer and single father to his son Benny, he tries never to let his good mood be spoiled. But the miserable pay increasingly pushes Volker to his limits. When his son wants to move back in with his mother, Volker gives up something no one thought he could do - his integrity. He takes advantage of an opportunity that presents itself to make quick money.

With their two grown children gone, Anja and Michael Wagner move into their own apartment in the city center. Both are looking forward to their newfound freedom. But when Niklas, their youngest child, is kicked out of his roommate's apartment, he decides to move in with them and his girlfriend.