The content of chapters 98 to 120 of the Romance of the Three Kingdoms is summarized as follows: This time, Cao Cao led his army to attack Sun Quan's Red Cliff, but it ended in a crushing defeat. In the Battle of Red Cliff, Liu Bei sent Guan Yu to reinforce Cao Cao's army and set up fire attacks in the water, finally successfully defeating Cao Cao's army. After that, Cao Cao marched south but eventually died of illness in Luoyang. This time, it also described Liu Bei's establishment of a base in Jingzhou and the recruitment of Guan Yu, Zhang Fei, Zhao Yun and others. At the same time, it also described Zhuge Liang's governance in Shu Han and Liu Bei's expansion in Western Sichuan. In the end, Liu Bei defeated Sun Quan in the Battle of Yiling and became the overlord of the Three Kingdoms.