Episode 5

Even though Gil-chae tries to deny her feelings for Jang-hyun, she is worried about him joining the army. Yeon-jun gets stabbed by the enemy, and Jang-hyun takes him to a physician where Gil-chae and Eun-ae are staying. Meanwhile, Khan is on his way to invade Joseon, and the Crown Prince looks for someone who knows well about the foreign intruders.