Beiwangzhi

The sixteen states of Yanyun that his grandfather conquered were given away by Shi Jingtang with a piece of paper. The grandfather died of anger, and the great-grandmother took care of the family. After hearing her other name for thirty years, the Khitan people did not dare to go south. A grandson with memories of his past life fulfills his grandfather's last words - to get Yan Yun back in his lifetime.