To survive, a single mother takes a job as a nanny for the aphasic son of a ruthless tycoon. She is shocked to find that the withdrawn boy is identical to her cheerful daughter. The twins survived a hospital fire. The two children meet and decide to swap lives. The daughter enters the mansion to humiliate the evil stepmother, while her brother learns to say "mom" for the first time with the warmth of maternal love. This is a story full of identity swaps, family conflicts and sweet moments.
