Professional GO (a.k.a. baduk) player Tae-seok loses a high-stakes game to infamous underground gambler Sal-soo, and ends up framed for the murder of his own brother and locked up in prison. He vows revenge and trains ferociously. After serving his seven-year sentence, he gets in touch with his brother's former associate Tricks, hermit and blind master player The Lord, and skillful junkyard owner Mok-su; together, they begin formulating a plan to get back at Sal-soo and his men.