Lam Fung, heir to a wealthy family, leaves home to find his lost daughter and atone for a past mistake. To repay the family who raised her, he becomes the Ai family’s son-in-law, unaware his wife, Avivi, bought the girl to use as a pawn. When Lam discovers the truth, he divorces Avivi and takes his daughter back. Just as he plans to raise her alone, her biological mother, Su Qingyu, returns. Hiding his identity, Lam slowly rebuilds trust with Su, and together they heal old wounds and reunite as a family.