David Portnoy, a 15-year-old birding fanatic, thinks that he's made the discovery of a lifetime. So, on the eve of his father's remarriage, he escapes on an epic road trip with his best friends to solidify their place in birding history.
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.