Most official releases on platforms like Apple TV and Amazon Prime provide the original Korean audio with English subtitles.
The narrative centers on NIS agent Kim Soo-hyun (Lee Byung-hun), whose world is shattered when his pregnant fiancée, Joo-yeon, is brutally murdered by a psychopathic serial killer, Jang Kyung-chul (Choi Min-sik). i+saw+the+devil+mongol+heleer