While strange rumors about their ill King grip a kingdom, the crown prince becomes their only hope against a mysterious plague overtaking the land.
Cast:Ju Ji-hoon , Bae Doona , Kim Sungkyu , Kim Hye-jun , Jun Suk-ho , Seung-ryong Ryu , Kim Sang-Ho , Jong-soo Kim , Joon-ho Huh , Seok-Won Jeong , Jin Seon-kyu , Byeong-eun Park , Kim Tae-hoon , Joo Suk-tae , Seung-mok Yoo , Eun-Jin Ahn , Anastasia Kim , Jin Heo
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 Joo.
After Prince Chang breaks into Mungyeong Saejae, a nightmare unfolds. Officials search the queen's home, suspecting she is hiding something.
When Cho Hak Joo 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.
Seo-bi shares a critical discovery with Prince Chang, who has a favor to ask of her. Cho Hak-ju visits the queen and confronts her to reveal the truth behind 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.