The Daqiu Dynasty is plagued by internal strife, with relatives and siblings turning against one another. Emperor Wang Ji is deeply suspicious and cannot share power or prosperity. The five great Xuanmen clans, effectively exiled, are forced into rebellion. The upheaval begins with the Five Clans' Rebellion against Qiu. Led by Zhao Ziyu, the clans fight their way from the land of the Yi people into the Western Regions and establish Loulan Commandery. After clashing with the Daqiu emperor again and again, the conflict gradually shifts from military warfare to a struggle between Xuanmen factions, revealing a shocking mystery dating back a thousand years and a terrifying pact unlike anything ever known. The Soul Pact, a scheme laid down long ago by someone who had reached the threshold of immortality.