Jenka Gratchev is twelve years old. He escapes from a camp to reach his brother's house in time, who is doing his military service and has just been transferred. Gricha Miakichev steals a utility vehicle and offers a film crew to exchange it for a costume to participate in a competition for the best ballroom dancer. The militia is looking for them both and they run to meet each other. Then, after shared adventures, they swear eternal friendship.