When Wonder's Pride wins the Kentucky Derby, his owner wants to enter him in the Triple Crown, but his jockey Ashleigh and her friend Samantha are worried that the beautiful horse will be raced to death.

Samantha McLean is overjoyed when she is given a pony named Shining, even though the filly is stubborn and sickly, but she is forced to make a difficult decision about the future ownership of Shining when a little handicapped girl named Mandy falls in love with the horse.

When the regular jockey is injured, it's up to Ashleigh to ride Wonder, the horse she has helped raise, in the Breeder's Cup Race.

After a bad fall, Susan has sworn never to ride again. Then Evening Star comes into her life. He needs her to help make him a winner, but can she overcome her fears?

Ashleigh tries to save a horse named Lightning from an abusive owner.