She accidentally gets pregnant with twins by a cold mafia boss, but is forced to leave him because of their huge status gap. Years later, she comes back with her cute kids and runs into the father by chance. At first, he has no clue the children are his, yet he grows fond of the bright, lovable pair and cares for them by instinct. The clever little ones play matchmaker, pulling all kinds of tricks to reunite their parents. When the truth surfaces and he learns of his twin heirs, he is stunned and overjoyed. He instantly sets out to win the mother back. The whole boss's family spoils her and the children endlessly. Everyone who once looked down on her is thoroughly humbled.