One Monday morning Katya, Vika and Zhanna learn that there will be a school disco, their first disco, on the coming Saturday night. The girls feverishly start preparing for the event, which rapidly becomes the most important moment ever in their universe, and looks like the ideal way to escape their daily lives...

The trucker Fyodor Mukhin is an inveterate bachelor. Women love him, and he does not even remember everyone with whom fate brought him together. He also does not remember the teacher Masha from a small Ural town, from whom one day he receives a telegram asking him to come urgently. Something makes Fedor respond.

In present day Moscow three childhood friends in their forties - former school band players - live their everyday lives of a police officer, a taxi driver and a surgeon. They have lost track of each other. Three stories of betrayal, love and ageing are told in parallel. In fact, unknown to our heroes, their paths cross and their lives become connected. But they are not aware of it even when they reunite for a breaking performance at their graduation anniversary.

On the Japanese city of Hiroshima in August 1945, a nuclear bomb with a uranium charge was dropped - the United States was the only state that possessed nuclear weapons. In the USSR, extraordinary measures were being taken to speed up work on the atomic project, but to no avail. The reason was simple: there was no uranium in the country. Despite the post-war devastation, already in early 1946, geological exploration parties were organized, the entire territory of the USSR was covered by uranium prospecting works. The hero of the film is a geologist on one of these expeditions. But when his friend dies, his life begins to change.

What would you do if a relative recently released from prison would move to your house? And you accidentally killed him...

Vera and Andrew can be envied. Money work, a house in a prestigious suburban village, a good foreign car. The young spouses got even a servant: on the garden, working hard, Uzbek builders work, and on the farm - the executive housekeeper Aunt Masha. It remains only to find a reliable nurse who will look after the restless daughter Aley.

Nina Petrovna and Yegor Ilyich have been living in urban apartments with children, grandchildren, and even great-grandchildren, who, however, have no desire to reckon with the interests of their elderly relatives. But one day there comes a time when old people have to leave home. An accidental acquaintance in a bistro - and instead of despondently complaining about each other's fate, they leave to live at Yegor Ilyich’s dacha. The children of both, joining forces, are trying to put their "romantic" pensioners in their place ...

In the summer of 1942, the Soviet army is fighting the Germans on the Don River. Young lieutenant Ogarkov gets lost in the steppe and fails to deliver a redeployment order. For that, he is sentenced to death. Now, another soldier has to lead him across the steppes to his death.

Literature teacher Dmitry Alekseevich has a free hour between classes. But even during this time, he continues to worry about his students' problems and their relationships with their parents. A real teacher has no free time.