Christina Reese and Wonder's Star are about to race at Belmont, one of the most prestigious tracks in the country. Christina is confident that she and Star are going to blow all the New York horses away. But when the gates fly open at the start of the race, Star feels sluggish--something is wrong! Christina takes Star home to Whitebrook, hoping that he'll recover in time for their next race. But Star's condition only gets worse. Faced with the possibility that Star may never race again--he may not even live--Christina doesn't find winning so important anymore. Will Christina give up her racing career to save the horse she loves?