Gojoseon falls after a year of war against the Han Dynasty; Hae Mo Soo stands at the center of the uprising against the Han; the king of Buyeo feels delighted that the Gojoseon wanderers have settled in Buyeo thanks to Hae Mo Soo.

The Cheolgi Army slaughters the Habaek Tribe for hiding Hae Mo Soo who was on the run; Hae Mo Soo escapes from the Cheolgi Army and meets Yeon Ta Bal; Yeon Ta Bal plans to sell off Hae Mo Soo to the Cheolgi Army.

Geum Wa finds out that his father, Hae Bu Ru, was the one who entrapped Hae Mo Soo; Yu Hwa gives birth to a boy and names him Ju Mong; she runs away from Buyeo with Ju Mong, but they run into the soldiers of the Han army.

Ju Mong agrees to accompany Dae So and Young Po on their journey to Mount Shijo where Damul Bow's sacred energy is; little to Ju Mong's knowledge, the two brothers have devised a plan to kill him.

Yu Hwa urges Ju Mong to become king; he learns swordsmanship from prison guard Mu Song; King Geum Wa inspects secret sword production; Yeon Tae Bal praises So Seo No for guild leadership.

Boo Deuk Bul discovers Hae Mo Soo is alive and visits him with Yeo Mi Eul; Ju Mong accidentally witnesses their meeting; Dae So challenges Ju Mong's swordsmanship, defeating him.