When Kat and her father and brother visit the Mollie Kathleen, an old gold mine now open for tours by the busload, Kat gets lost from the group and falls down a shaft, where she discovers an awe-inspiring world of fantasy come to life. She meets an ancient dragon--the last of his kind--and discovers a secret about the gold that litters the creature's den and why dragons throughout time have hoarded the sparkling treasure. The dragon helps Kat escape...