The wicked Nome King, who plots to conquer Oz and enslave its people, prepares to invade the Emerald City just as Dorothy, Aunt Em and Uncle Harry arrive there.

The adventures of Trot and Cap'n Bill take them to Jinxland where they help Pon, the gardener's assistant, break the spell that turned his true love's heart to ice.

The Tin Woodman of Oz, once a flesh-and-blood man who was engaged to marry the lovely Munchkin Nimmie Amee, achieves great things but finds himself still longing for his little lost love.