When a legendary Go master loses his title to a one-time friend and protégé, he sets out to reclaim it in a high-stakes battle of wits and skill.

In 1862, amidst the rule of the late Joseon dynasty in Korea, a band of fighters named Kundo rise against the unjust authorities.

After he leaves the police force, Dae-ho establishes himself as the sheriff of his town. He then investigates Jong-jin, a businessman, because of his alleged ties to drugs.

When a legendary Go master loses his title to a one-time friend and protégé, he sets out to reclaim it in a high-stakes battle of wits and skill.

In 1862, amidst the rule of the late Joseon dynasty in Korea, a band of fighters named Kundo rise against the unjust authorities.

After he leaves the police force, Dae-ho establishes himself as the sheriff of his town. He then investigates Jong-jin, a businessman, because of his alleged ties to drugs.