Jiang Jinyue's family suffers a tragedy because Sakaguchi Taro covets a treasured miraculous medicine. Her father dies, and her younger sister is injured. To raise money for her sister's medical treatment, Jiang Jinyue disguises herself as a con artist. She is then threatened into marrying into the Gu family in someone else's place. Suspecting that Gu Beicheng is responsible for her father's death, she gradually falls in love with him. Meanwhile, Gu Nanfeng conspires with Sakaguchi. In the end, Jiang Jinyue joins forces with Gu Beicheng to expose their conspiracy, take revenge, and find true love.