In 1930s Berlin, Dr. Jakob Fabian, who works by day in advertising for a cigarette company and by night wanders the streets of the city, falls in love with an actress. As her career begins to blossom, prospects for his future begin to wane.

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.

Archduchess Ottilie and her servants are in the middle of preparations for the big birthday bash for Princess Aurora. Lowly servant Johann wants nothing more than to be "one of them".

Hanni works around the clock as a cleaning lady. She has to because her husband, whom she loves, has not exactly shown himself to be a support financially. They also have their son Viktor. One day Hanni witnesses an attempted murder on an old lady. The killer now has an involuntary confidante and must eliminate her. But it doesn't come to that because Hanni uses her cleaning agents at the right moment, with her presence of mind. The killer falls unhappy and falls into a coma.