In the 1990s, when Go gambling fever swept Korea, Gui-su loses everything because his father gambled obsessively until there was nothing left. Left all alone in the world, Gui-su meets a mentor and Go teacher, Il-do, and goes through vicious training to become the grandmaster of Go. He sets out for revenge on the world that destroyed his life, but soon finds himself chased by an unknown loner pursuing his own vendetta.
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