Korea-Khitan War: 1x4

Episode 4

Caught in the crossfire between those gearing up for war and those working to prevent it, the puppet king, Wang Sun, and Kang Gam Chan form the front line of those seeking to avert conflict. On the opposing side, Kang Jo believes in the inevitability of war and sees it as a chance to eradicate the Khitans. The turning point comes when envoys from Khitan arrive with a message poised to alter the course of history.