In order to fulfill her master's will, Su Yanyue, the direct disciple of the Hidden Immortal Mountain, became the bride of Regent Pei Zhao. She was originally Bai Yueguang, the "savior" that everyone looked up to, but she became a caged bird because of Pei Zhao's old grudge against Xianshan. From the cold words and humiliation when she was forced to consummate the marriage, to having her bones cut out to get the medicine when she was detoxifying him, from the pain of being falsely accused of having an affair with her foreign husband, to seeing him tearing up her life-saving medicine prescription for another "stand-in"... Su Yanyue is here He always retained the last trace of sincerity amidst the cruelty and humiliation, until he discovered that the truth about Xianshan's refusal to save Pei Zhao's mother's family was actually tampered with by him, and she was the moonlight he had spent half his life planning to "trap to death in the palm of his hand." When she was dejected and self-destructive, Pei Zhao finally went crazy and wanted to exchange his country for her life, but only waited for the words "Pei Zhao, if I die, you will never get the moonlight."