Roscoe and Buster operate a combination garage and fire station. In the first half they destroy a car left for them to clean. In the second half they go off on a false alarm and return to find their own building on fire.
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.