An unexpected setback in Sangju poses new problems for Prince Chang and the others. Seo-bi and Cho Beom-pal seek safety with Cho Hak-ju.

After Prince Chang breaks into Mungyeong Saejae, a nightmare unfolds. Officials search the queen's home, suspecting she is hiding something.

Prince Chang’s group comes across a village that oddly seems to be well-fed. While taking refuge at Lord Ahn Hyeon’s, Seo-bi notes something peculiar.

On his way to seek Lord Ahn Hyeon’s help, Prince Chang encounters a group of stranded survivors and leads them to Jiyulheon, following Seo-bi’s advice.

When Cho Hak-ju is taken from his custody, Prince Chang goes after him. Seo-bi looks for a way to treat the disease. The queen awaits her prince.

To save innocent lives, Prince Chang and his men take over Hanyang. The queen determines that if she can't have the throne, no one can.

With the palace painted red with blood, Prince Chang is forced to pursue a risky strategy. Seo-bi takes the baby and hides.

Officials find notices in Hanyang alleging the king is dead. Crown Prince Lee Chang tries to check on his father, but the young queen stands in his way.

Night leads to chaos in Dongnae. Cho Hak-ju and the queen oversee the king’s care. Prince Chang reaches a disquieting conclusion and vows to fight back.

Cho Hak-ju has chilling words for the queen, who’s hiding a sinister secret. Prince Chang orders Sangju’s defenses, but Seo-bi senses something awry.

Seo-bi shares a critical discovery with Prince Chang, who has a favor to ask of her. Cho Hak-ju visits the queen and demands she tell him the truth.

Prince Chang and Mu-yeong arrive at Jiyulheon, where they make a horrific discovery. Seo-bi’s story of what she saw eerily resonates with Prince Chang.