Zhou Qingran, a wealthy businesswoman, escaped from Yuancheng and was rescued by Li Yu, the commander-in-chief of the Li army in Xicheng. She was taken to the Li family to recover from her injuries. The two gradually fell in love, but they separated due to a misunderstanding due to the intervention of Shen Shiyi, the eldest daughter of the Shen family. They met again a few years later, and the misunderstanding was resolved. Together, they defended their home and country.
