Rampant (2018) runs 2 h 2 min, is rated NR in the US and averages 6.8 from 246 TMDB members. Ancient Korea, 17th century. While the paranoid King Lee Jo of Joseon, vassal of the Qing dynasty, feels surrounded by conspirators and rebels, a dark evil emerges from the bowels of a merchant ship and the exiled Prince Lee Cheung returns to the royal court, ignoring that he will have to lead the few capable of defeating the ambitious humans and the bloody monsters who threaten to destroy the kingdom.
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Streaming availability by JustWatch. In the US, as of 2026-11-08: Amazon Prime Video (subscription), Screambox Amazon Channel (subscription), Hi-YAH (subscription), Amazon Prime Video with Ads (subscription), Hi-YAH Amazon Channel (subscription), Cineverse Amazon Channel (subscription), Fawesome (free), The Roku Channel (free with ads), Pluto TV (free with ads), YouTube Free (free with ads), Rakuten Viki (free with ads), Plex (free with ads), OnDemandKorea (free with ads), Amazon Prime Video Free with Ads (free with ads), Tubi TV (free with ads).
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