Based on a novel by Roger S. Baum entitled "Dorothy of Oz." The film takes place immediately after the events of the first 1939 film. Dorothy has returned to Kansas only to find that her entire hometown has been destroyed by the same tornado that teleported her to Oz, to begin with. Meanwhile in Oz, several years have passed, and an evil Jester has taken over the Emerald City. In one last attempt to save Oz, scarecrow uses his rainbow machine to summon back it's greatest champion...Dorothy Gale from Kansas.