Chris has resigned herself to the fact that she and Belle will be sitting out this year's barrel-racing event at the annual rodeo. It's too bad, too, because she and Belle would be a good bet to win. After all, Chris is a seasoned rider and Belle is the best horse ever. But since Belle is close to foaling, Chris will just have to wait till next year. Then she hears Frizzie Lizzie, a new sixth-grader, bragging about how she has the best horse around and that she is a lock to win the contest. No way Chris can let her get away with that! Her only hope is a palomino named Dandy....