The series follows the story of King Taejong and his two sons, Prince Chungnyung and Prince Yangnyeong, how they fight the evil spirits who came alive and must be exorcised to save Joseon. The founding rulers of Joseon have taken help of the demons and the monsters to overthrow Goryeo. Later the undead returned to target the royal family.

• Kam Woo-sung
• Jang Dong-yoon
• Park Sung-hoon
• Jung Hye-sung
• Lee Yu-bi
• Keum Sae-rok
• Kim Dong-jun
• Seo Young-hee