Alan, the world's top master gambler, used his skills only for redemption until his long-lost biological family tracked him down. Returning home to fulfill his mother’s wish, Alan encounters an adopted brother, Danny, who has laid lethal traps to seize the family estate. While Alan’s sister Maren struggles to save their legacy from the corporate shark Nathan, Alan steps out of the shadows. Using his mastery of the gamble, he risks everything to protect his family. As Nathan’s conspiracy with Danny is unveiled, the 'Ace of Justice' ensures that the house always loses for traitors. A powerful story of high-society counterattack and family loyalty. Success is his final formula. Male lead taking control.