After the Xuanwu Gate Incident, Prince Li Jiancheng's obsession turned into a revenge that spanned five thousand years. He threw Li Shimin into the reincarnation of the "Emperor's Tribulation", from the Lutai of Shang Dynasty to the Jingkang Revolution, allowing this prosperous emperor to replace Liu Chan, Li Yu, Guangxu and other declining emperors, and change his destiny in a desperate situation. When Li Shimin returned from all the catastrophes, the real "imperial catastrophe" - his own thirteen years of Zhenguan, had just begun.
