Tired of the boring and stereotypical life, Princess Cimorene escapes from a marriage with an empty-headed prince and goes to live with the dragons in the Mountains of Morning. Upon arrival, the spunky princess makes friends with her dragon, Kazul, as well as other people such as the Princess Alianora and the Witch Morwen. She settles into an enjoyable new life and executes her duties as a dragon's princess perfectly. The smart Cimorene soon notices that the sly wizards have been up to no good, and sure enough – the King of the Dragons is poisoned, and a dragon is cooperating with the wizards! It's now up to Cimorene and her new friends to prevent the new trials for a King from being rigged and catch the cheating...