Room 404 Every night at 1:01, Seo Mira receives messages from an unknown sender warning her about events that have not yet happened. The clues lead her to Room 404, a hidden door in Haneul High School that does not exist on any map. With mysterious student Kang Won, Mira investigates disappearances tied to the room. But as the door appears in mirrors and photographs, she discovers the messages may be coming from the missing—and that she may be connected to their fate. Before dawn, she must find the truth

• Horror