To help out his friend Lenya, Yura steals a Stradivarius violin belonging to the professor from his grandfather, a violin maker. Having learned about everything, the professor begins to study with the talented Lenya. Circus performers persuade Lenya to give up the violin and perform in the circus...

Little Nikita, the son of polar scientist Sergei Ivanov, runs away from home with the intention of reaching the Arctic, where he believes his father works. The boy manages to reach Leningrad, where he ends up at the Arctic Institute. Sergei is tasked with returning the runaway home, but Nikita stubbornly hides his origins and the purpose of his escape. Soon, his grandmother arrives, and Ivanov learns that Nikita is his son. He writes a letter to his ex-wife and convinces her of the need to return to him. The couple reconciles, and, preparing for another expedition, Sergei promises his wife and young son that he will return to the mainland on time.

The best bell-ringer of the church Fedor Kuzmich Shtukov becomes the foreman of production at the shipyard. Communists and Komsomol members are trying to persuade Fedor to forget about the church, but in vain. Daughter Anna laughs in the face of her father - and in vain too. But when the plant desperately needed a scarce metal, Shtukov, painfully thinking about his native plant, supported the proposal of one of the workers to cast the billet from the church bell, and the vessel was ready for launch on time.

Semyon Primak, in the direction of the regional committee, arrives in one of the small towns of Donbas and immediately enters into battle with the chief of the mine, Chub, who, in a situation of continuous assault, plays into the hands of the Trotskyites and bandits operating in the mine. Having received moral support from the new secretary, the best 'udarnik', shockworker Matvey Bobylev implements a new method of coal mining and, contrary to the intentions of the enemy group, finds a wide response among the miners of Donbas.

A Soviet woman is caught between her husband and son, who find themselves on opposing sides of the Russian Revolution.

The film tells about a band of demobilized Red Army men and two civilians who cross a Middle Asian desert. They are forced to do battle with superior forces of Basmachi rebels for the dry draw-well.

In 1918 a young and simple Mongol herdsman and trapper is cheated out of a valuable fox fur by a European capitalist fur trader. Ostracized from the trading post, he escapes to the hills after brawling with the trader who cheated him. In 1920 he becomes a Soviet partisan, and helps the partisans fight for the Soviets against the occupying British army. However he is captured by the British when they try to requisition cattle from the herdsmen at the same time as the commandant meets with a reincarnated Grand Lama. After the trapper is shot, the army discovers an amulet that suggests he is a direct descendant of Genghis Khan. They find him still alive, so the army restores his health and plans to use him as the head of a puppet regime. The trapper is thus thrust into prominence as he is placed in charge of the puppet government. By the end, however, the "puppet" turns against his masters in an outburst of fury.

A young man, Russian by nationality, goes to a Turkmen bride in a remote border village, not knowing that his large family decides to surprise him and also goes to Turkmenistan to meet the bride and her parents. The chain of comic misunderstandings ends with an episode of a skirmish on the border with saboteurs.

In a remote Russian village during World War I, colourful and nuanced characters experience divided loyalties: family loyalty vs. personal desire, nationalism vs. transcendent humanism.

1918 Odessa. German occupiers plunder the city. Sailor Petrus, who has lagged behind the Red Army detachment, saves one of the victims of bandit terror - the girl Marusya... Years have passed. The time has come for peaceful construction in the country. Red commander Petrus and Marusya, who has become a teacher, meet in Moscow in one of the cafes, where both were attracted by the sounds of the popular song “Eh, apple...”, accompanying the adventure of the heroes.