The world is about to fall into chaos, and the seven kingdoms are competing for the upper hand. Shen Qingyun, the concubine of a border family, was originally an unknown person who was despised by everyone, but with his ability to understand people's hearts and deduce the general situation, he stepped into the court and fought on the battlefield in the turbulent times. He assisted the least favored fourth prince, from crisis in the border town to seizing the throne in the court, from uniting vertically and horizontally to unifying the world, using his wisdom as an edge and using his tactics to break the situation. But when the mountains and rivers are reunited and his achievements are great, how will he choose his own way back?
