The protagonist transmigrates into Cheng Yaojin, making up for his regret at never learning the Thirty-Six Heavenly Gang Ax Techniques. Here, he must also claim the throne, win the hearts of beauties such as Zhangsun Wuyou and Pei Cuiyun, and lead his brothers in governing the lands they conquer. He will give the people a truly prosperous era of Zhenguan, make foreign tribes tremble at the very mention of the Tang, and bring all nations to pay tribute.