Orphaned since childhood, Kim In-ha was raised by his uncle, a card player Kim Ji-su. The brave and reliable guy has many close friends, among them the son of a wealthy family, Choi Yeon-won. Soon In-ha meets a girl named Min Su-yeon, and the two young people fall in love. In-ha introduces Yeon-won to Su-yeon, and Yeon-won falls in love with his friend's girlfriend. Then In-ha, who becomes the target of a murder that is staged by Yeon-won’s father, is forced to flee to America. Here he meets a professional card player and begins his career as a professional card player.