In the final years of the Zhenguan era, Emperor Taizong Li Shimin sensed that his time was running out. He secretly summoned Xuanzang, Yuan Tiangang, and Li Chunfeng, leading representatives of Buddhism and Daoism, and ordered them to use Buddhist and Daoist arts to preserve the Li Dynasty for all eternity. Though reluctant, the three accepted the command. To repay the emperor’s favor, they risked heaven’s wrath and attempted to turn the tide through forbidden methods. But a series of political and palace struggles threw their plan off course, and the Li Dynasty lasted only 289 years. In its aftermath, Li Huaijiu, a descendant of the Li imperial family, set out to uncover the truth…
