The film is an original work set in the world of Oz created by L. Frank Baum. It contains characters, plot points, locations, and magical items from the books The Wonderful Wizard of Oz, The Magic of Oz, Ozma of Oz and The Road to Oz.
Dorothy Gale discovers that her best selling novels are actually based on suppressed childhood memories of her time in Oz, and that she may be in danger of experiencing it all over again.
Who are the characters in The Witches of Oz?
Dorothy Gale, Glinda the Good, The Tin Man, Zelena, Mombi, Jack Pumpkinhead, Auntie Em, Betsy Bobbin, Billie Westbrook, Ev Locast, and others