The story begins when a suspicious man boards Sky Korea Flight KI501 bound for Honolulu. Shortly after takeoff, a passenger dies a gruesome, unexplained death, triggering a wave of panic. As the mystery unfolds, it becomes clear that a biochemical threat has been released in the confined space of the cabin. The narrative splits between three perspectives:

"Emergency Declaration" (2022) is a South Korean aviation thriller directed by Han Jae-rim that explores human nature under extreme pressure when a virus is released on a flight. The film features a star-studded ensemble, including Song Kang-ho and Lee Byung-hun, and offers a tense, claustrophobic experience that resonates with post-pandemic fears. A 1080p WEBRip is recommended to fully appreciate the film's intense, high-resolution cinematography.

In most regions (USA, Europe, etc.) — , as of 2026. It previously appeared on Netflix in some Asian countries but licensing changes frequently. Check your local Netflix.