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.
Yun-gyeom
Seong-han / Mulgoe (voice)
Myeong-i
Royal Court Officer Heo
Sim-un
King Jung-jong
Jin-yong
Grandpa Song
Mo-gae
Mak-gae
First Vice-Premier
Second Vice-Premier
Court Minister
Kang-nyeo
Myeong-i's Mom
Young Myung
In Duk
Mother
Government Official
Eunuch
Peddlers Group Leader
Peddler
Peddler
Merchant
Search Party Wife
Search Party Member
Fighter
Forced Conscripted Citizen
Kid
Old Man with Backpack
