During the Kaiyuan era of the Tang dynasty, Emperor Xuanzong, Li Longji, restored order, governed with diligence, and completely eradicated Empress Wei's faction. He revived the Tang imperial house, welcomed envoys from every nation, and ushered in the dynasty's golden age, known as the Kaiyuan Prosperity.
By the first year of Emperor Xuanzong's Tianbao era, Li Bai had been appointed to the Hanlin Academy. Yang Guifei had already been summoned to the palace to cultivate the Dao, taking the title Taizhen.
At this time, a hidden son of the Tang imperial house, destined never to see the light of day, was hunted down on Mount Hua. It all began on Mount Hua!