The soul of Du Yuhui, a special soldier of the later generation, accidentally passed through the body of a 6-year-old child with the same name in the early Southern Song Dynasty. He was good at fishing, medical skills, and superb chess skills. Because he was too young, he had to cooperate with his parents and put his ideas into practice in the form of double reeds. , Witnessing the economic prosperity of the Song Dynasty, facing the military oppression of the surrounding powers, hoping to improve the situation through their own efforts