In the Zhenyuan period of the Middle Tang Dynasty, the empire was in turmoil under the attack of eunuchs and vassal towns. When the new emperor ascended the throne, a national salvation plan called "Yongzhen Reform" suddenly emerged, but fell sadly after more than a hundred days, leaving only the tragic song of "two kings and eight sima".
Ren Kaifeng, a modern scholar who is proficient in economics, unexpectedly stepped onto the eve of danger. He holds the answer to history and knows that this is a dead end. Should we follow the trend and be safe, or should we go against the will of heaven and change our destiny?
This time, he will race against time and use modern sharp blades to cut off the ancient shackles. But when he joins hands with Wang Shuwen, Liu Zongyuan and other doomed reformers to wield the sword against the supreme power, what he faces is not just the inertia of history, but the abyss of human nature.