Princess Genevieve and her eleven sisters discover a secret entrance to a magical world where they can dance, even though they are forbidden by their strict cousin Duchess Rowena., Once upon a time, music fills a castle where not one or two but twelve beautiful princesses live with their father the King. But the greedy king’s cousin Rowena schemes to stop the dancing forever., King Randolph tasks his cousin, Duchess Rowena, with transforming his 12 daughters into better ladies, but the Duchess instead helps them enjoy their favorite pastime: Dancing. While enjoying dance, the sisters find a gateway to a land where they can have unlimited fun.