During the reign of Renzong in the Northern Song Dynasty, Bianjing was prosperous and all kinds of businesses flourished, but there was hidden competition between old and new parties and aristocratic families. As a weaving family in the south of the Yangtze River, the Lin family was falsely accused of defrauding the king because the Yun brocade they donated was transferred. The head of the family, Lin Zhiyuan, was wrongfully imprisoned. The heroine Lin Jin'er disguises herself as a man and flees to Bianjing, searching for the truth amidst the dangers. The hero Li Jiaming appears to be an idle nobleman, but in fact he secretly runs an intelligence network. He meets the heroine while tracking down a smuggling case. The two go from testing each other to working together to break the situation, writing a moving legend in the undercurrents of the court and the rivers and lakes.
