The film consists of three independent parts: "Workmate", "Déjà vu" and "Operation Y". The plot follows the adventures of Shurik, the naive and nerdy Soviet student who often gets into ludicrous situations but always finds a way out very neatly.

Former student Raskolnikov is pushed to murder when struggling to pay the rent on his apartment. When the murder is being investigated by the police, Raskolnikov struggles between trying to hide his guilt and the pressure to confess.

A spy game between Reds and Whites is in full motion during Russian Civil War.

A story of Victor, a young man who is working in a big mine as driver.

On a stopover in Moscow, a young writer Volodya makes friends with Kolya, who is returning home from a hard night shift. Just as Kolya is about to take a rest, he is met by his old friend Sasha, who wants help getting a deferral from military service so that he can get married.

On the beginning of revolutionary activity of F. E. Dzerzhinsky.

A story about a boy walking across the town following sun.

Anatoli Kuzmich retired and received a separate apartment in a new house. He and his wife are happy and make bright plans for the future: how they will go to theaters, museums, read their favorite books. But their daughter Lyusya suddenly gets married. Not wanting to part with her, Korolyovs persuade the young spouses to live with them in a new apartment. Soon a child is born, and gradually life together becomes unbearable...