Ancient Korea, 1506. The tyrannical King Yeonsan-gun of Joseon is overthrown by his half-brother Jung-jong, whose reign begins with a blood bath. Over the years, traitors plot against him, sinking the kingdom into chaos. In 1528, frightened rumors come to royal palace, regarding a mysterious creature, known as Monstrum by the peasants.

• Taewon Entertainment
• Kim Myung-min
• Kim In-kwon
• Lee Hye-ri
• Choi Woo-shik
• Lee Kyung-young
• Park Hee-soon
• Park Sung-woong
• Lee Do-gyeong