In 2029, an elite police squad combats an anti-reunification terrorist group while another enemy lurks nearby.
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.
Pastor Park, the head of a religious investigation center that exposes cults and cult leaders, begins looking into a suspicious new religion called Deer Mount.
