Danni Hartford, the King family's party planner, is searching for her sister. Britney, the Kings' privileged 15-year-old daughter, desires a horse. Meanwhile, Rachel endures mistreatment as a servant at a local horse farm, longing for a genuine family. During the Christmas dance, all three girls make a wish, and Britney and Rachel unexpectedly swap bodies. They quickly discover their new lives aren't as idyllic as they imagined. Danni learns of the body switch and must find a way to restore them to their own bodies.