When Harlem schoolteacher Dorothy (Diana Ross) tries to save her dog from a storm, she's miraculously whisked away to an urban fantasy land called Oz. After accidentally killing the Wicked Witch of the East upon her arrival, Dorothy is told about the Wiz, a wizard who can help her get back to Manhattan. As Dorothy goes in search of the Wiz, she's joined by the Scarecrow, the Tin Man, and the Cowardly Lion.