Cassie feels she is not the best at anything. She even compares herself to best friends J.J. and Iggy. But with the Misty Falls Fair in town, she is sure to win blue ribbons with her pony, Chester, and her very own recipe for Snickerdoodles. The day before the blue ribbon contests, however, Cassie's life begins to take some unexpected turns. Both Chester and her cookies offer her some unpleasant surprises.