Suk-jin, a naive Young woman lives on her own in Seoul. When her brother dies following a car accident, she finds out he had been having an affair with the wife of a businessman.
In 1581, the monk Seo-san predicts that the Japanese are planning an invasion of Korea. He goes to the king, suggesting that the kingdom build a stronger army, but he is thrown out of court. He begins training three pupils in martial arts, but rumors reach the king that Seo-san is training an army....
