The scene is laid in 1936-1947. Prior to the war Vasya Govorukhin working at the southern horse-breeding farm made a champion from studhorse Buyan. During the war the horse helped to prevent an action organized by Beletsky, a former coach, but a spy in fact, aimed to destruct the train with prisoners where Nadya was, Vasya’s beloved girl. After the war Burelom, Buyan’s son, keeps winning the races. Source : www.mosfilm.ru