As Christina Reese's high school graduation draws near, she's filled with questions and not enough answers. Has she sacrificed too much to follow her dream of taking Wonder's Star to the top? She and Star failed to place in the Kentucky Derby. Can they win the Preakness and still have time for Parker, Melanie, the prom, and graduation?

An unexpected brush with the trainer of Affirmed -- the famous 1978 Triple Crown winner -- not only leaves Christina with some amazing insights, but confirms her belief in Star. Will Christina be able to show everyone how special Star is? Or will her doubts and distractions keep them out of the running ... again?