Su Wan accidentally gets pregnant with the child of Long Haotian, a Mafia godfather. Fearing his ruthlessness and danger, she leaves without telling him. Five years later, she comes back with a pair of boy‑girl twins and crosses paths with Long Haotian once more. Upon discovering the children’s true parentage, Long Haotian goes from initial shock to gradual acceptance, then embarks on a relentless pursuit to win Su Wan over. He dotes deeply on the children and learns how to love Su Wan. Su Wan struggles between protecting her kids and succumbing to her reawakened feelings. Enemies threaten Long Haotian by targeting the children, putting Su Wan in grave danger while trying to save them. In the end, Long Haotian rescues Su Wan and the two children. Letting go of her inner conflicts at last, Su Wan becomes the true Madam Long alongside her kids.
