No sooner has model Bavarian Toni Freitag properly integrated his new son-in-law Osman than daughter Franzi brings in an uninvited guest from Berlin - in the person of her mother-in-law Farah. Unfortunately, Toni gets on like cats and dogs with the quick-witted businesswoman. Hello there!

Kevin is new in youth prison. Due to over-occupancy he has to share a cell with Tommy, Andy and Marc. A partnership of convenience in a system where only the strong prevail and which is dominated by violence and latent aggression. Oppression and beatings are a daily occurence. It is hard for Kevin to establish himself. Especially Marc and Andy are after him. He's afraid of not sticking it out. Only Tommy gives him an amicable advice: In this system, you're either a victim or a culprit. If he doesn't want to be a loser anymore, he has to start fighting... A piece of advice that will trigger most dire consequences

"Captain" Werner Träsch is quite astonished: the fresh wind of social change is also blowing among the tradition-conscious Berlin garbage workers. His boss, Dorn, has got it into his head that women should finally be employed as refuse collectors.

During their tour, Werner and his colleagues Tarik and Ralle get in the way of a young man who wants to "steal" expired groceries from a supermarket container

Alma manages to obtain a job as a court painter with the bourgeois prince Philip, passionate about botany. When he sees a portrait of her sister, the beautiful Christine, he immediately falls in love. But the Baroness has plans for her own daughter. Fortunately the faithful Shaky is still here.

Garbage manager Rüdiger Dorn wants to move into his parents' house after the death of his mother - but that has to be brought into shape first. It goes without saying that Werner pitches in.

Water pipe burst and bomb alarm - Berlin in a state of emergency: Dorn and Gerald don't know where their heads are. The routes for the garbage collectors have to be reworked due to numerous road closures, chaos rages.

A rowdy teacher accompanies a class trip to Thailand to recover some diamonds accidentally sent there and restore the school's reputation.

The three garbage collectors accidentally get on the trail of a protection racket in the Neukölln neighborhood: Snack bar owner Mohammed has to fend off an aggressive gang of youths and eventually resorts to drastic measures - but Werner discovers that the situation is not quite as clear-cut as it seems. Meanwhile, Tarik's extreme jealousy puts his relationship with Werner's daughter Annika at risk.