After the Xuanwumen Incident, Li Shimin's mysterious soul transformed into a young Adou. From the Xuanwumen where the Tang Dynasty met, he found himself in the turbulent Shuhan court of the Three Kingdoms.
With the wisdom of Zhenguan's rule and the ambition of the Tang Dynasty, he started anew in this completely unfamiliar and troubled world. While hiding his identity, he has to deal with all forces.
Facing the complex situation of the Three Kingdoms, can he break the Shu-Han dilemma by relying on his familiar history and his own strategies? Can it rewrite the trajectory of history and achieve a hegemony that transcends the times?