An unusually cold winter forces the french government to push the best housed people to accommodate some poor fellow citizens. The decree called Le Grand Partage creates some trouble among the residents of a Paris upscale apartment block.
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.