Oliver is in the 4th grade. He hasn't been paying attention in magic class and gets a big, fat five on a test. He has to have the work signed by his parents, but he is ashamed and doesn't want to cause his parents any grief. So he tries to get rid of the five with magic or at least turn it into a three. He manages to create talking guinea pigs and singing geese, but the five remains. The other children are already angry with him because he has no time to play with all the magic exercises. And so he decides to confess his mishap to his parents. His mother shows him how he can turn the five into a better grade - and that has to do with learning.

A young doctor has to spend a night in a lonely house near the transit highway. Unexpectedly, he witnesses East-West smuggling operations, which he manages to prevent at the last moment.

In Frankfurt am Main, a red sports car crashes into a wall and bursts into flames along with the driver. Erika Bongert, the owner, was not in the car and is not questioned by the police. Her boyfriend is CIA agent Jack Treets, who is able to keep her out of everything. He is soon in trouble himself, as Erika puts him under pressure ... Another car races across a road, this time on the transit highway to West Berlin. Erika Bongert dies as a result. The Ministry for State Security soon realizes that the American secret service is involved.

The young and rebellious Werther is passionately, but hopelessly, in love with Lotte. Although he knows that she is married to somebody who can offer her a secure future, Werther tries to be near her. Lotte cannot decide between these two men. She eventually rejects Werther, who does not survive her decision.

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.

Susanne and Christian get to know each other during a wonderful week in summer - and fall in love. This, however, leads to conflicts: up to now, Susanne has been living with Wolfgang, a biologist. This shared life was harmonious and based on mutual trust. Wolfgang is not only resolute and in full command of social situations; he has also always been the stabilizing force in the relationship. This is precisely why Susanne now feels drawn to the unsettled, unsteady and frivolous Christian, the complete opposite of the calm, well-balanced Wolfgang. And Christian, working as a shift boss on a natural gas derrick, has become more aware of his personal and social responsibilities as a result of loving Susanne.

The six members of the Julian Böll brigade have been working well together for years. One day, the brigadier is missing a 100-mark bill from his pay box. Ashamed of his own doubts about his colleagues, he remains silent. Böll investigates the question of why his colleagues in the brigade have not been able to get to know each other personally despite working well together, and why he does not have the confidence to resolve the matter collectively. He recognizes omissions and decides to have a clarifying discussion. It turns out that the money was not stolen.

During the global economic crisis, "Morgenrot" mine is due to be closed due to unprofitable results. With the use of a machine forbidden for security reasons, the mates try to work more effectively and thus save their jobs. A serious accident happens.

Ironically, at the beginning of the summer holidays, Alwins strict father has grounded him to get him to improve his spelling. Alwin feels like a prisoner and decides to run away heading to his grandparents in the Harz mountains nearly 200 kilometers away. On the road Alwin meets many people and with their help Alwin slowly progresses towards his destination.