After news of the future birth of a child, Sergei split from his wife, Natasha, and settled in the company of young architects, who occupied a room in a big house. As a result of a chain of unforeseen events, brought by one of the tenants found a child, Sergei finds a newborn son. Friends are doing everything possible to find a lost mother, but Sergei does not disclose their affiliation and tries to give the baby the wrong hands.

Soviet "proletarian" film about anti-war strike at St Petersburg factory, 1914. Resembles Pudovkin's classic "End of St. Petersburg," made 4 years earlier: backward lad (Poslavsky) from poor village comes to town desperate for work. He's hired as replacement ("scab") worker at big metallurgical factory, which is in the throes of a strike organized by the Bolsheviks (communists). The Bolshevik strikers are led by Ivan Shtraukh (brother of the more famous Russian actor Maxim Shtraukh). At first, the deceitful industrialist's son (Fedosev) involves the naive Poslavsky in an attempt to murder Shtraukh, but the attempt only wounds the heroic organizer. Will Poslavsky follow through with the planned killing, or will he redeem himself by going over to the side of the strikers?

A group of divers are trying to bring up the wrecked ship from the Black Sea bottom.

Lenya Glebov, a student of the collective farm school, designed a model of an interplanetary rocket. One moonlit night, the guys launched a rocket...

About how the boys of the Kabardian village help adults to raise fleet-footed horses.

About a brigade of young female turners who win the respect of the factory team by their labor.

The stationmaster of a railway station situated in the steppes of Kazakhstan discovers a rubber-bearing plant. Soon, an expeditionary team arrives, led by Professor Shakhron, who will persistently argue—by hook or by crook—that there are no rubber-bearing plants in these steppes, all the while plotting a trip abroad. In ultimately exposing the professor, the team forces him to admit to concealing the results of their work.