The film follows 6-year-old Villads in school and at home. Villads often runs into trouble because he loves to play, and most of the times the rules of Villads' playing are in conflict with the rules of the adults.
For the sake of the family, Vyacheslav Lazarev left the big aviation. The usual routine of Lazarev and his son Kolya is disrupted by a small bear cub, huddled in the cockpit of one of the planes. Little Mansur - as Lazarev and the others called him - having escaped from poachers, becomes attached to Lazarev.