As a rule, a person’s life is a swimming flowing from one to another. Radically changes the direction of this size. In an ambulance, he was riding a bus and met a beautiful stranger. They turned out to be Alexandra Nikolaevna, he - Alexander Nikolaevich, lost in the crowd. The outstanding geophysicist, the husband of Alexandra Nikolaevna, did not go on another expedition, stayed at home with his wife, arranged for himself “a day of happiness,” and lost his job ...

Thirties. Fyodor Bazyrin, who had built up a strong household, fell in love with a village girl, so much so that he almost stole her from under the crown and took her to his farm, where he married the girl he loved. They were happy. But time passed and the young woman was drawn to a new life. She was no longer satisfied with working for the benefit of her personal life in isolation from the common village festivities and everyday life and decided to leave the farm.

Two strangers meet in an ambulance train during WWII.

Junior Lieutenant Maleshkin, an unshooted graduate of the school, commands the crew of the self-propelled gun SU-100. All the subordinates of Maleshkin are older than him and much more experienced. The authority of the young commander is tested at every step, he quarrels, then reconciles with his crew.

The adopted daughter of Dr. Skvortsov, Tanya, having learned that her mother Natalya Avdeyevna is alive, who was considered dead during the bombing of World War II, decides to go to her in a distant village on vacation. She recognizes the woman who gave her life and lost her husband and sons due to the war, but cannot call her mother. Meetings on the collective farm with interesting people make Tanya think a lot and experience a lot. She discovers for herself a completely new, largely alien world to her. It does not immediately penetrate the sense of inner kinship with this world, its people, so unusual for her.