Christina and Melanie are both heading for their first Kentucky Derby as jockeys. Can Ashleigh calm their nerves before the big race? Christina Reese is suffering from pre-Kentucky Derby stress. So is her cousin Melanie Graham. And their horses, Star and Image, are on edge too. Christina's mother and trainer, the renowned jockey, Ashleigh Griffen, remembers what it was like when she and her horse, Wonder, were about to run in the Kentucky Derby themselves...