Lin Yuan, a modern historian, accidentally traveled to the end of the Eastern Han Dynasty. He had no system and no golden fingers. He only relied on a thorough understanding of the history of the Three Kingdoms to survive step by step in the Yellow Turban Rebellion and the melee among the princes. From a commoner to a separatist state, how did he help Cao Cao turn things around in the Battle of Guandu? During the Battle of Red Cliff, can he rewrite the direction of history? Let's see how an ordinary person relied on wisdom and forbearance to rise up in the turbulent Three Kingdoms era, and finally unified the world and reshaped the pattern of China.