A circus lion finds himself in a magical land where he becomes the leader of a journey to stop the Wicked Witch of the East, a task which may lead him to loose a part of himself.

The Cowardly Lion, of the Omaha Circus and close friends with balloonist Oscar Diggs, is swept away to the Land of Oz, where he—and a number of new friends—cross paths with the Wicked Witch of the East, who seeks the mysterious Flower of Oz.