Seoul descends into chaos as a devil-worshipping criminal network emerges. In a desperate plea for salvation, the police turn to 'Holy Night' - a secretive trio of demon hunters armed with supernatural powers. Don Lee leads a powerhouse with immense physical strength. He's joined by Sharon, who can detect and exorcise demons, and Kim-kun, their loyal support. When psychiatrist Jung-Won begs for help to save her possessed sister Eun-Seo, the team faces a terrifying force unlike any they've seen before. — Horror Brains