The soul of a modern young man travels through Emperor Jianwen. On the day he ascended the throne, he knew that the Battle of Jingnan was coming four years later. The vassal kings are supporting their troops, and the Yan king is watching, and the situation in the court is in danger. He put away his benevolent and weak face, secretly deployed royal guards, divided the clan, promoted Geng Bingwen to be the commander of the army, and placed the three sons of King Yan under house arrest. On the surface, he appears to be tolerant, but in fact, he is cautious at every step. Relying on favors and cutting down feudal vassals, collecting salt and seizing wealth, training new troops to prepare for war. Time is running out, and if you make one mistake, you will lose everything. In this life, he will use his power to rewrite the ending and make a comeback!