Based on a fairy tale by Yu. Afanasyev based on the legend of the peoples of the North.

The adventures of the little monkey Nuki, who was brought from Italy as a gift to a fat, spoiled boy. Having escaped from an unpleasant house, the monkey gets to a kind girl. But then it turns out that Nuka has been stolen, and her real mistress is a little sick girl suffering from the loss of her pet.

The film is about the youth who joined the ranks of the Komsomol in the early 1920s. The protagonists of the film are residents of a small town in southern Russia.