White oak academy is having a ball, where there will be a Prom Princess! And Ashley wants to win, but when someone steals her votes, Mary-Kate turns around and accuses Dana Woletsky of stealing Ashley's votes! And guess what? Dana didn't do it! Mary-Kate feels terrible for accusing her and next thing she knows is she is helping Dana become Prom Princess! But the real question is who stole Ashley's votes? A thrilling novel by the Olsen twins!