After being transported by a cyclone to the land of Oz, Dorothy and her dog are befriended by a scarecrow, a tin man, and a cowardly lion, who accompany her to the Emerald City to look for a wizard who can help Dorothy return home to Kansas.
Dorothy, swept from Kansas by a cyclone, is deposited over the rainbow in the magical land of Oz where she runs afoul of an evil witch who tries to keep Dorothy from finding her way back home.