Warehouse worker Alan finds he is the missing son of global tycoon Howard. Before telling his girlfriend Lena, a falling billboard leaves him comatose for three years. Lena bears all hardships alone: tough odd jobs, endless debts and insults from cruel relatives. She never abandons him. Alan regains consciousness and learns the truth about his wealthy birth. Hiding his identity, he quietly punishes everyone who hurt Lena and rewards kind folks who helped them. He improves Lena’s family’s life, sets up charity funds for sick families. Finally, Alan reveals himself as the heir, holds a grand wedding for Lena, fulfilling his oath to take his devoted wife to the top of the world.
