In the 1990's Go gambling fever swept across Korea. Gwi-soo lost everything when his father, an obsessive gambler, risks their lively-hood for the game. Gwi-soo is left all alone and meets a new mentor and Go teacher, Il-do. The two go through intense training to make Gwi-soo the grandmaster of Go. He sets out for revenge on the world that destroyed his life. But disaster soon finds him when he is chased by an unknown loner pursuing his own vendetta.