A little girl reads a story about a dragon; as she falls asleep, her doll rides off on his calico horse through a calico land to do battle with a…

A mannequin in the city dump improvises a working piano from junk, then plays and sings the title song. Various discarded items join in with song or dance.

During the Great War, Bosko and a fearsome beast are in a dogfight. Bosko loses, but that’s only the first battle.