The right prime minister of the Wu Dynasty had superb chess skills but always lost to Ning Yi, and the two became close friends.The Prime Minister of Qin did not forget to assist the emperor in regaining the lost territory in the north. He had been dormant for a long time, preparing firearms, just waiting for an opportunity.The court congratulated Taishi secretly to sabotage Prime Minister Qin's plan to lead troops to attack north.In the end, Prime Minister Qin was shot dead by Emperor Jingguo, in exchange for real peace between Wu and Jing.