Introduction: In the Battle of Changping, the Zhao State was defeated and suffered heavy casualties. In the west, the strong Qin was staring at the tiger, in the north, the Xiongnu invaded the border repeatedly, and in the east, the Yan State invaded with all its strength. At this critical moment, Zhao Jia, the eldest grandson of King Zhao Xiaocheng, met Then came the notorious future God of War Li Mu. From then on, Zhao Guo and their fate were firmly tied together.