

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.
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Trailer
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Streaming data provided by JustWatch via TMDB.
Cast

Kim Myung-min
Yun-gyeom

Kim In-kwon
Seong-han / Mulgoe (voice)

Lee Hye-ri
Myeong-i

Choi Woo-shik
Royal Court Officer Heo

Lee Kyung-young
Sim-un

Park Hee-soon
King Jung-jong

Park Sung-woong
Jin-yong

Lee Do-gyeong
Grandpa Song

Lee Kyu-bok
Mo-gae

Kim Joong-hee
Mak-gae

Kim Kang-il
First Vice-Premier

Cho Won-hee
Second Vice-Premier
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