Yuwen Yingren invited Yuwen Chengan to stay for dinner. Although Su Yan was a little hesitant, Yuwen Chengan expressed his willingness to stay, so Su Yan said nothing more.At this time, Yu Wenyuan suddenly appeared, which surprised Su Yan.Yu Wenyuan asked Yuwen Chengan if he intended to lead the army in the war. Yuwen Chengan expressed his willingness to follow Yu Wenyuan, which made Yuwen Yingren very angry.Yuwen Yingren emphasized that Yuwen Chengan was the prince and did not need to learn these things, while Yuwen Yuan believed that if he did not learn, the country would be in jeopardy, and talking on paper was useless.

Su Yan tried to stop Yu Wenyuan and asked him about his intentions.Yu Wenyuan said that no matter what Su Yan wanted to do, he would never let her do it.Afterwards, Yu Wenyuan left with Yu Wen Chengan, followed closely by Su Yan.Yuwen Yingren was extremely angry and began to curse loudly.Yu Wenyuan took out his sword, and Yu Wen Chengan chose the sword made by Yu Wenyuan himself.Yu Wenyuan proposed to compete with Yu Wen Chengan. If he wins, the sword will belong to him.Although Yuwen Chengan's skills were not as good as Yuwen Yuan's, he never gave up.

In a confrontation, Yuwen Chengan successfully hit Yuwen Yuan in the stomach.Yu Wenyuan recognized Yuwen Chengan's performance and believed that he knew how to attack weaknesses.Later, Su Yan applied medicine to Yu Wenyuan. Yu Wenyuan mentioned that Su Yan no longer hesitated when applying medicine to others. Looking back at the time when she applied medicine to herself, she still seemed very unfamiliar.Yu Wenyuan, Yu Wen Chengan and Su Yan played together and had a good time.