Taking the nine "dragon veins" of the Chinese land as clues, it connects the tombs of the Western Zhou Dynasty, the Chu-Han underground palace, the shipwreck tombs of the Song Dynasty and other ruins, and uncovers the mystery of the "dragon vein secret key" left by the ancient "Xuanmai Clan" - the secret key is not only the key to controlling the energy of the dragon vein, but also the thousand-year mission of the protagonist's family to protect the fate of China.
