Princess Le Yao of Yu State and Liu Shu Yan love each other, and Le Yao has asked the emperor to marry them. Unexpectedly, Daxia invaded, Yu State was defeated, and was forced to agree to marry the princess. The only princess Yuan Jia also likes Liu Shuyan and designs to marry her. The emperor named Leyao the legitimate princess Yuning, married Daxia, and became the princess of Daxia. Yuan Ning and Xia Wang Xue Mingyue married first and then fell in love, and they lived a happy life. Prince Yuan Zhao raped Yu Ning's former maid Shi Lan, causing her to commit suicide. He also accused Shi Lan of being executed for stealing. Yuan Ning found out the cause of Shilan's death and reported it to the emperor. The emperor scolded the prince for being immoral and unworthy of being crown prince. The prince and Yuan Jia wanted to kill the emperor and rebel, but Yuan Ning led an army to suppress the rebellion and helped the fourth prince Le Ting ascend the throne.
