King Qin Zhuangxiang's son Ying Zheng, the young man's right to succeed to the throne belongs to Lu Buwei. In the battle of Qinian Palace, Lao Ai was torn apart by a chariot, and the following year Lu Buwei was deposed and exiled. After taking office, he relied on his lieutenant Li Si, and sent Wang Jian to conquer Zhao and set up Handan County. The sand dunes are still far away, and he has just grasped the country.