Zuo Qing Ci, the son of a Marquis, disguises himself as a traveling doctor while secretly searching for a powerful scroll known as the Mountain River Painting. During his journey, he crosses paths with Fei Kou Er, a clever bandit who is actually Su Yun Luo, a noblewoman from Zhengyang Palace hiding her true identity.

When Su Yun Luo’s secret is exposed, the two become targets of a dangerous plot. Framed by the cunning Wei Ning Hou, they find themselves caught in a web of political intrigue. As they uncover buried secrets and face growing threats, Zuo Qing Ci and Su Yun Luo fight side by side—not just for justice, but for each other. Together, they must protect their love and their country from the shadows closing in.