Xiaren traveled to the State of Zhao and became a noble of the State of Zhao. Because Li Mu had saved his life, Xiaren helped the State of Zhao defeat the Qin army. However, he did not expect that the king of Zhao was stupid and listened to Guo Kai's slander and demoted him to The common people were placed under house arrest in Handan. When Ying Zheng got the news, he immediately sent envoys to Zhao and exchanged six cities for Xi Ren to enter Qin as prime minister. From then on, Xia Ren and Ying Zheng joined forces to start the road to unify the six countries.