Peasant children Mytyl and Tyltyl are led on a magical quest for the fabulous Blue Bird of Happiness by the fairy Berylune. On their journey, they're accompanied by the anthropomorphized presences of a Dog, a Cat, Light, Fire, and Bread, among other entities.

After a pilot is forced to make an emergency landing in the Sahara Desert, he befriends a young prince from outer space; the friendship conjures up stories of journeys through the solar system for the stranded aviator.