The story unfolds in an industrial town where a young and charming literature teacher arrives, assigned to teach at an evening school. One of the boys from the metallurgical plant falls in love with the educated girl, but communication between the two young people turns out to be quite challenging.

At the end of the Second World War, Fedor is demobilized and returns home where he meets a homeless boy, small Fedor. They decide to live together. The adult works in the building trade and the boy goes to school and looks after the house. They get on very well until Natacha arrives in big Fedor's life. After marrying big Fedor, Natacha tries to win the child's love. But he remains hostile.

The second half of the 1950s. A new microdistrict is being built on the outskirts of the city. A group of guys - graduates of a craft school - is sent to the construction site. Also on the construction site arrives a group of girls from the village. The youth collective is fused, sympathy and love are born...

Two tankers loaded with gasoline made the Tuapse - Leningrad flight. Suddenly they were fired upon by German bombers - that is how the war began for them. One of the ships perishes. But the second continues on its way to its destination ...

The end of August 1941. At night, a truck rushes along the last road not yet occupied by the enemy to Leningrad. In the back of two — civil aviation pilot Lunin and commissar of the air division Uvarov. Lunin, a man no longer young, experienced, but had not yet been in battle, was sent to the legendary squadron of fighter pilots under the command of Captain Rassokhin. This squadron fought from the first day of the war and has already lost most of its composition.

The builders of the hydroelectric power station face a difficult task: it is necessary to speed up the work in order to provide electricity to a number of other industrial facilities in the region. Construction managers are taking different paths to solving this problem.