The film is based on the story of V.V. Bianchi "At the Zoo". The plot of the film tells about the visit of the girl Nadya and her brother Serezha to the Moscow Zoo. Moscow. Moscow Zoo. Entrance to the zoo. People are queuing up at the checkout; go to the territory of the zoo. Zoo pond. Animals in enclosures: elephants, tigers, polar bears, penguins, pelicans, foxes, cats, horses, squirrels. The girl Nadya and her brother Seryozha walk through the territory of the zoo; stop at the enclosures with animals. For her good work in the circle of young naturalists, Nadya was allowed to choose an animal in the zoo to look after him. Seryozha rides in a horse-drawn cart. Nadia says (sinhr.) About elephants; proteins. Nadya and Seryozha leave the zoo with a squirrel in a cage. India. An elephant helps locals stack logs onto the back of a truck. Shooting in the woods. Trees in the forest. Squirrels jump on pine branches; eating nuts. White mushroom in the grass.