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
Search Party Leader 4
Officer
Commoner 1
