This novel is the second part of the trilogy "Secret History of Touching Gold" - "Monsters of the Mountains and Seas", and the timeline continues from the first "The Legend of the Dragon Bone".
It tells the story five or six years after the Loulan Ancient Kingdom incident. Chen Lei, Yang Qiaoen and others uncovered the secret of King Qin's Bone Mirror, and encountered a series of stories such as the Demon Tomb, Deep Sea Trek, The Wizard of Oz, and Ancient Qin Living Chrysalis.