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.