In order to save her family, Su Wanqing married the business emperor Fu Chengye instead of her twin sister. After three years of marriage, she was a docile substitute in his eyes, but he didn't know that she had secretly given birth to his child. When Bai Yueguang's sister returned, she disappeared with her son and a divorce agreement. Five years later, she returned gorgeously with a cute gift and a mysterious vest. Only then did Fu Chengye realize that he had already fallen in love with the woman he regarded as a substitute, and from then on he started a crazy pursuit of his wife.
