Will an injury spell the end for Christina's racing career and her friendship with Melanie? After taking a year off to train with her beloved Star for the Breeders' Cup, Christina is back in silks riding a few preliminary races. But all her plans are shattered when she suffers a severe injury in a track accident. When she learns she won't be able to ride for at least three months, Christina reluctantly agrees to let Melanie train Star –– a situation that will begin to tear the cousins apart. Will they be able to mend their differences for Star's sake? And just what will Christina do while her injury heals?