During the war, the Nazis took the breeding horse Zarnitsa, winner of many international races, to Germany. But the horse refused to obey its new owner, jockey Shoiberg. Therefore, he was forced to release from captivity stableman Grigory, who took care of Zarnitsa before the war. Taking advantage of the situation, the stableman tried to escape and died. And Scheuberg decided to ride Zarnitsa after all, but at the finish line she threw off her rider and ran away. She was found and returned to her owner, and despite this, she tried many times to escape from captivity. Only at the very end of the war she was found by the stableman's son Lenka....