In the sequel to The Wizard of Oz, the Wicked Witch has stolen the Scarecrow's brains, the Lion's courage and the Tinman's heart. So off Dorothy and her old friends go to the Mountain of Darkness to get them back. Many hazards and dangers are encountered on the journey but they eventually manage to retrieve everything and, with the help of Glinda the Good Witch, the Wicked Witch is whisked off in a whirlwind.