Young Dorothy finds herself in a magical world where she makes friends with a lion, a scarecrow and a tin man as they make their way along the yellow brick road to talk with the Wizard and ask for the things they miss most in their lives. The Wicked Witch of the West is the only thing that could stop them.

Dorothy and Toto return to the Land of Oz to find the Scarecrow as ruler of the Emerald City. Unfortunately for the new mayor, the wicked Mombi is conspiring to take over the city for herself. With the help of the Tin Woodsman, the Cowardly Lion and other familiar friends, Dorothy sets out to save Oz.