Korea-Khitan War

Queen Dowager Cheonchu wishes her own son to become the next crown prince. However, Mokjong is not happy with how Kim Chi Yang, the Right Senior Executive, and Queen Dowager are trying to take over his place as he is determined to succeed the throne to King Taejo's descendant. Therefore, Mokjong is about to summon Prince Daeryangwon back to the palace, while Kim Chi Yang and Queen Dowager secretly send assassins to murder him.

Court Lady Choi threatens Prince Daeryangwon to take the food Queen Dawager has prepared for him. Prince Daeryangwon quickly runs away from the temple and hides himself in Mount Samgak. Court Lady Choi orders the men to burn down the mountain to find him. Meanwhile, Mokjong holds a banquet for his people, and Kim Chi Yang plots a crime for the night.

Kang Jo, Northwest Temporary Government Officer, sets off for Gaegyeong with a crucial mission. However, deep within his thoughts, he grapples with the realization that Goryeo's very existence is at stake if the current state of ruling persists. Meanwhile, in another part of the kingdom, Prince Daeryangwon anxiously awaits assistance from His Majesty. To his surprise, he finds himself confronted with an entirely new chapter of life, carefully orchestrated for him.