in order to investigate the clues that his mother was silenced, the intern detective su xiaoqiao exchanged identity and face with gu qingdai, the widow of the bandit leader of qingfeng village. he became the leader of qingfeng village, and "married" chu yan, the boss of suzheng pavilion who came to the undercover, as the husband of the village to investigate the truth behind his conspiracy.
amid the twists and turns of marriage, yan lidong and mu chenxi's fate intertwined. due to misunderstandings and conflicts, the two are on the verge of divorce. however, yan lidong was injured to save mu chenxi, which led to his memory going back to the age of 19. during this process, mu chenxi felt deeply the neglect and neglect of the past, and was staying with her 19-year-old husband with her memory.