Zhao Ya traveled through the late Han Dynasty and recommended himself to Cao Cao based on his thousands of years of historical knowledge. He predicted the disaster in Wancheng and the chaos in Yanzhou, and even exchanged the position of "son-in-law" for trust. On the way to Langya with Cao Ang, he used his future vision to solve the crisis and found a path to change his destiny in the troubled times of the Three Kingdoms.
