Soon Woo-jin, a penniless orphan from Joseon, is approached by the Japanese yakuza Yamada, who recognizes his genius through an incident and proposes a partnership to him. As a result, he enters Incheon’s high society and becomes friendly with the nobility. One day, he meets the Joseon independent armed group Eobyeolgyo and learns his father’s secret and their offer. Deciding to join them, he begins to gamble with a large sum of money for the fate of his country.