Korea-Khitan War

Mokjong and Queen Dowager fight over the matter of deciding the heir to the throne.

Court Lady Choi orders the men to burn down Mount Samgak to find Prince Daeryangwon.

Surrounded by both avarice and allegiance, the loyal are on the verge of unfolding a new chapter in Goryeo.

The puppet king is ensnared in the conflict between those preparing for war and those trying to avert it.

The Khitan emperor is about to lead a large army and cross the Yalu River to attack Goryeo.

Khitan attacks Heunghwajin for seven days straight, but they are unable to destroy the fortress.

Officer Yang manages to defeat Khitan soldiers, but the main force assumes Heunghwajin has fallen.

The emperor of Khitan threatens Kang Jo and the captured generals to become vassals of Khitan.

Deputy Mayor Won of Seogyeong Fortress gives up on fighting against Khitan and is about to surrender.

Deputy Minister Kang successfully deceives the Emperor of Khitan and returns to Gaegyeong.

Despite Kang Gam Chan's plea, Wang Sun stands firm, refusing to abandon the fortress and his people.

Alone in Gaegyeong, Kang Gam Chan makes the fateful decision to buy precious time for Wang Sun's escape.

Wang Sun experiences emptiness upon realizing the hardships faced by those south of Gaegyeong.

Seeing his people turn against him, Wang Sun feels shame for not being the emperor they needed.

Wang Sun arrives at Gongju, where he is welcomed by its governor and one of his daughters.

Yang Kyu, fully aware that this might be his final battle, throws himself into the Khitan army to rescue prisoners.

Despite facing opposition, Wang Sun is determined to reform the fundamental issue that has plagued Goryeo.

Despite facing fierce resistance, Wang Sun, alongside Kim Eun Boo, continues to pursue his plans.

Empress Wonjeong arrests the Deputy Minister of Punishments, and Kang Gam Chan thinks of a way to stop her.

Following Kang Gam Chan’s guidance, Wang Sun successfully rescues Kim Eun Boo, his most devoted vassal.

Wang Sun risks his life in a tense face-off with regional lords, where two formidable powers of Goryeo clash.

The Khitans insist on Goryeo handing over its territories if Goryeo truly aims to avoid another war.

Wang Sun readies for war as Kim Eun Boo, risking his life, tries to update him on the Khitans' status.

At the northeastern border's edge, Kang Gam Chan faces an ominous clash with the relentless Jurchens.

Kim Hoon and Choi Jil initiate a rebellion, citing Goryeo's decision to take their property as justification.