The protagonist is an online novel author. He died suddenly in his house because he stayed up late for a long time writing. His soul traveled through the Chongzhen period in the late Ming Dynasty. Unexpectedly, he traveled to a soldier at the post station. This soldier was the famous Chuang King Li Zicheng in the future. At this time, there was still a long way to go before the Ming Dynasty abolished the post station. In one month, see how the protagonist uses modern knowledge to write to the court to make Chongzhen change his mind and not withdraw the inn. The protagonist trains new troops for the court, carries out reforms, invents weapons, wipes out the peasant uprising, and finally drives out the Tartars, expands the territory, and makes the Ming Dynasty majestic all over the world and attracts all nations to come to the Ming Dynasty.