Left behind by his biological mother, a boy is taken in by a no-nonsense landlady and raised through years of hardship into an aviation genius. Years later, the woman who gave birth to him comes back with $3 million, hoping to reclaim him, only to be turned away without mercy. At the IPO of his own company, he makes his choice in front of everyone: the landlady who raised him is his true mother, and he will guard her for life.
