A story about one day in the life of insurance agent Vissarion Bulkin. In the life of each of us there are days that turn our whole life upside down. Here and for the hero of the tape once came such a day.

The film tells the story of Olga Sergeevna, a renowned oceanographer. Throughout her life, Olga Sergeevna loved only one man, with whom she was never destined to find happiness.

Sofya Petrovna, a typist from a publishing house in Leningrad, has her only son repressed. In her publishing house, managers and ordinary employees were repressed. And Sofya Petrovna begins walking around the offices, trying to explain that a mistake has occurred.

Daughter and husband of a teacher of the high school live in the old house at different floors of multifamily unit. When the former wife gets to hospital the girl leaves in father’s care who is a weak but kind-hearted man.

Having lost her parents during the war, Galya was brought up in an orphanage. When the grandfather was rehabilitated, they began to live together. Galya often called Alyosha to repair the phone. After walking around Moscow at night, they realized that they loved each other. Once, after another call, Aleksei was slandered. The boss, not wanting to delve into the essence of the client's complaint, invited Aleksei to apologize. The guy refused — and he was fired from his job. Friends helped him find another job, but he could not convince Galya that he was right. The girl reproached him for cowardice — and the heroes quarrelled...

Students Galya and Sergey want to marry. In the civil registry, they are given a month's time, as stipulated by law. The young people quarrel, reconcile and quarrel again. On the last day of the probation period, the couple come to the registry office to pick up their applications, and leave it in the company of satisfied friends and indignant parents, having become husband and wife.

The dream of Paul Dombey, the wealthy owner of the shipping company, is to have a son to continue his business. Tragically, Dombey's wife dies shortly after giving birth to their son.

Under the guise of "student construction team of graduate students" a brigade of "covenants" arrives to the collective farm, expecting to get one thousand rubles for the construction of the "fountainarium" that is not envisaged by the estimate. However, under the gun of a local photo correspondent and the close attention of the collective farmers, Ruslan Ruslanych, a student of evening school, drunkard Tyulkin, illuminator in the theater Savchuk and hiding from alimony Panin, in order not to give himself away, are forced to work diligently and to be rehabilitated.

A musical comedy about a pedagogical experiment that succeeded thanks to the kindness and generosity of its participants.