After the Incident at Xuanwu Gate, Li Shimin mysteriously transmigrates into the young Adou, going from the turbulent Xuanwu Gate of the Tang dynasty to the treacherous palace of Shu Han in the Three Kingdoms era.
Armed with the wisdom of the Reign of Zhenguan and the ambition of the Tang dynasty, he starts over in this utterly unfamiliar age of chaos. He must conceal his identity while navigating the competing powers around him.
Faced with the complex situation of the Three Kingdoms, can he use his knowledge of history and his own strategic genius to break Shu Han’s deadlock? Can he rewrite the course of history and build an empire that surpasses the age?