In order to maintain the cooperation between the family and the Jiang family, Si Nian replaced the twins who had escaped from marriage.
Si Wu, the fetal sister, married Jiang Chi and worked as a substitute wife for three years.
After marriage, Jiang Chi cared about Shiyue and was indifferent and distant from her, but she
Always humble and dedicated, but still misunderstood and hurt. She had no desire for love due to her childhood experience of being sent to the countryside, and only longed for the 30 million and freedom promised by her mother. Shiyue committed evil crimes many times, but Si Nian quietly escaped after completing the task of being a substitute, and took the money to fly to a new life. After Si Nian returned, he continued to have conflicts with Shiyue. Shiyue investigated and found out the truth about the substitute and told Jiang Chi. After Jiang Chi learned everything, he took revenge on Shi Yue and looked for Si Nian.