In this East German teen musical, a group of girls are planning to take their summer vacation together on the Baltic coast. When a loud and obnoxious group of boys intrudes on their holiday, the girls are horrified to learn that the boys have the same vacations plans as them. The two groups quarrel with each other and compete over a number of things, but gradually an attraction starts to form.

Berlin landlady Mrs. Klucke looks after the residents of Florentiner Strasse 73 like a mother, who could do with her help. When pregnant Brigitte is looking for a furnished room, she ends up with Mrs. Klucke. However, she has to make do with a spare room. At first Brigitte is quite disappointed that all sorts of residents and their guests regularly pass through the room, but over time she gets used to this situation. She soon comes to love the idiosyncrasies of the other residents of Florentine 73 and the motherly care of her landlady.

Brigitte is caught between two men: on the one hand there is the ambitious Klaus, the father of her young daughter, and on the other the sensitive Wolfgang, her flatmate, to whom she feels attracted. With the active help of the housemates, especially her mother Klucke, she finds out who her heart really beats for.

In the middle of the 18th Century, the Ruster family immigrates to America. The father, a former farm laborer, leads a hard life as a settler along with his family. One day the nine year-old George, his second-youngest son, is kidnapped by Iroquois. He is taken in by an Indian family in the place of a deceased son and receives the name "Blue Bird." The boy has homesickness and difficulties accustoming to the customs of the Indians.

The electrician Peter Drews is a brigadier at a Baltic Sea dockyard. His men are among the most reliable and diligent workers at the dockyard. Their motivation, however, increasingly suffers from Peter’s narcissism and imperiousness. Even his girlfriend Brigitte who is also a member of the brigade finds it increasingly difficult to accept his behavior. One day, Peter decides that the entire group must enter the navy - just because he has received his conscription call. While four men follow Peter into the navy, Brigitte, who has broken up with Peter, takes over the control of the brigade. During the work at the ship on which Peter is based at she meets the charming lieutenant Asmus.

Four directors - four styles - four episodes, all relating the events of a single night which has entered the history books: August 12-13, 1961. There are thousands of complex narratives connected with the frontier drawn through the middle of Berlin, and each episode relates the story of a difficult decision made on that night...