Xu Shinuo and Han Mu were a campus couple, but on the eve of their wedding, Han Mu shocked everyone by proposing to marry his childhood friend instead—a move intended to help her regain custody of her child. Devastated and reflecting on the years of neglect and indifference she had endured, Xu Shinuo decided to find a different groom. While everyone assumed she could never actually leave Han Mu, she proved them wrong by going through with it. Once she was gone, Han Mu was consumed by regret.