Katie is a young ballet dancer who loves hanging out with her three best friends. One day while they are ice skating together, Katie leaves her friends to go collect berries, but she gets lost And when she finds a cave, it takes her to a magical land called Questria. There she meets characters from the famous ballet stories she has heard and performed all her life. But she hasn't come for fun and dancing. Questria is in trouble The Ghost Queen has taken Halarian, from the story of Giselle, prisoner. So with the help of the Lilac Fairy, Lila, Katie sets out to solve the Ghost Queen's riddle before the story Giselle is ruined, and Questria is destroyed