During the Lantern Festival, Shen Shuyao, the eldest daughter of the Marquis of Dingguo Mansion, disguised herself as a man and competed with other scholars in the lantern riddle party. She won the first prize in one fell swoop. However, her identity as a woman was revealed in public and put her in danger. At the critical moment, Xiao Jinghuan, the ailing prince of the current dynasty, and Gu Changyuan, the distinguished general in the northern border, came to the rescue at the same time. The prince's eyes showed the depth of insight into everything, while the general's eyes showed the concern that had been suppressed for many years. Overnight, she was pushed to the forefront and became the focus of a secret struggle between the prince and the general.
