Synopsis："Tang Annuan marries Huo Yanning in place of her older sister, who ran away from the wedding. After the marriage, she tries hard to pretend to be her sister to avoid being exposed, but because their personalities are so different, she nearly gives herself away time and time again. Huo Yanning begins to suspect something and secretly investigates the truth. During this process, the two gradually develop feelings for each other. However, because of Huo Yanning’s status as her brother-in-law, Tang Annuan keeps avoiding her own emotions. Just as her secret is about to be exposed, her sister finally returns. Tang Annuan cannot help but feel relieved, yet at the same time, she also feels a deep sense of loss."