Abby Lovitt takes her beloved horse, True Blue, to the most famous equestrian clinic around, not knowing how it will change her and her horse's life. Then, Sophia, a girl who hardly ever makes a mistake, becomes so frightened that she refuses to ride her horse, Pie in the Sky, ever again. Pie in the Sky comes to Abby, who reluctantly takes the challenge of training the stubborn horse, and in the process learns something about life.