The modern economist Zhou Huan traveled through time and became the Emperor Ji Wu of Zhou when the three families were divided into the Jin Dynasty. He had no choice but to entrust the status of the three feudal lords of Han, Zhao, and Wei. But then he used his status as a modern economist to implement reforms, which gradually made the Zhou royal family stronger. At the same time, he used various means such as salt and iron management rights to make Han, Zhao and Wei reap the consequences, and then annexed the three princes. Based on this, he gradually eliminated Qi, Chu and other other princes and unified the world. In the process, he gradually realized that in addition to the external princes, there was an undercurrent surging.