One is a general in trouble. Because he was dissatisfied with the imperial court, his family fled outside the customs and worked hard to build a floating cloud city.
One is the Supreme Demon Cult, who was unfortunately killed due to the battle between good and evil factions. Before he died, he had to activate the last curse of the Demon Seal. The Kuangsha Curse brought annihilation to Liuyun City. Liuyun City disappeared from the world and became an eternal mystery.
Twenty years later, the apprentice of the escaped old man and the fourth lady of the Su family in Luoyang, as well as people from the Demon Sword Sect and the Xiajian Villa accidentally entered Liuyun City, and uncovered layer by layer the secrets of Liuyun City buried in the wild sand. The disillusionment of Liuyun City really began...