The young master is like jade, and his wisdom is beyond compare. Ruan Ziyu, the lord of Xinglin Valley, is known to the world as a child prodigy. He was talented at the age of three. He was familiar with hundreds of schools of thought at the age of six. He became a master in Xuanhu at the age of nine. His medical skills were outstanding in the world. He was awarded the title of Bachelor at the age of eleven and was given the title of Young Master Yongjia. He favored his sister Ruan Zi to become the Lord of Changyi County and placed the Xinglin Valley and the surrounding mountains and forests under his rule. However, nature was jealous of his talent. Young Master Yongjia had a serious illness and his teacher once said that he would not live past the age of twelve. Two emperors died mysteriously one after another, and the world was divided into five parts, and war was about to begin. In troubled times, who points the finger of the sword? Who is it that uses the world as a chess piece to play a game of life and death? Is it him, or is it her?