A stranger enters Neunggun-ri, a peaceful village where Gil Chae lives, and turns the village upside down.

Gil Chae gets help from Jang Hyun to learn about people in Hanyang, and he takes her to interesting places.

Yeon Jun and the scholars volunteer to fight for the country, while Jang Hyun plans to evacuate.

When Gil Chae and Eun Ae are about to flee from their village, the intruders arrive at Neunggun-ri.

Jang Hyun helps Yeon Jun as he gets injured. Meanwhile, the Crown Prince wants to ask Jang Hyun for help.

Since the King of Joseon does not come out from the fortress, Khan conquers Ganghwa Island.