A professional GO player, Tae Seok, loses a high-stakes game to an infamous underground gambler Killer and ends up framed for the murder of his own brother. After serving his sentence, he gets in touch with his brother’s former associates and together, they penetrate Killer’s inner circle and eliminate his men one by one. But once Killer discovers Tae Seok’s true identity, he engages him in one final game that will decide who lives and who dies.