In modern times, Yan Yun traveled through the Three Kingdoms and became Wei Yan, who was about to be beheaded. He used modern knowledge to change his destiny. He saw through Ma Dai's plot to kill, gained Liu Chan's trust with his military strategies, led his army to quell the internal strife and resist foreign enemies, and step by step assisted Adou to consolidate the Shu Han's foundation, revive the prestige of the Han family, and finally helped him establish a powerful dynasty, rewriting the tragic ending of Wei Yan and the Shu Han.