At the beginning, the protagonist travels back to a six-year-old prince during the Hongwu period of the Ming Dynasty. The protagonist, who is familiar with the history of the Ming Dynasty in his previous life, knows that the Ming Dynasty has too many regrets. Therefore, if the protagonist wants to change everything, he cannot follow the original historical process. Therefore, he must break all this and re-establish a sound, healthy, prosperous, and larger Ming Dynasty. In order to achieve all this, the protagonist began a life-long effort, and eventually the Ming Dynasty reached its peak.