Hoping to receive compensation for the house belonging to her before the revolution, Madame Joubert comes to Odessa with her granddaughter Madeleine. While Madame is at war with enterprising Odessa citizens, her granddaughter meets Soviet peers and realizes the advantages of socialism.

The film is set in the 1930s in the USSR. The film tells about one day of the construction of the Magnitogorsk Iron and Steel Works. The heroes of the film are simple construction workers who are burning at work. Upon learning that their colleagues in Kharkov have set a record, they mobilize to break it. The entire construction site was engulfed in immense socialist competition. The teams are ready to complete the work on time at any cost. A Moscow journalist who has come to cover the scale of the great construction project is looking for the hero of his report...

A satirical comedy about the excessive restrictions that children face during their vacation in a Young Pioneer camp.