Sheng Yujin grew up in Yushan, but a sudden letter forced him to leave Yushan and enter Kyoto. Facing an unfamiliar place, Sheng Yujin forced himself to grow up and made a marriage contract with An Xiunian. From then on, the two had constant contact... And became the only female general in the imperial court. At the same time, he and An Xiunian went to the battlefield to understand each other and grow up.