At the end of Koryo Kingdom, Ra Young-Kyun attempts to deprive Yongmun secret martial art skill book, which explains the martial art of Yongmun Buddhist Temple, to get rid of all of the warriors who stay in the Buddhist Temple. The great Buddhist priest Ji-Deok of the Yongmun Buddhist Temple gives his best disciple named Nam-Hee the book. Another disciple named Hae-Cheon hurts Nam-Hee by Ra's plot, and looks for the book, but Yoo Cheong-Eun has already stolen the book and hides himself. Hae-Cheon loses his left hand arm to be expelled. Nam-Hee loses not only her teacher but also the book, and becomes pregnant to deliver her baby with Cheong-Eun's help. Cheong-Eun is killed by Ra and his followers, and relays Nam-Hee the book just before she dies. Nam-Hee defeats all of the warriors, who try to get the book, with her excellent martial art, and then leaves the place together with her daughter.