: Jin-seok releases the virus in the plane's restroom. Passengers soon begin dying gruesome deaths, and the virus spreads rapidly through the cabin and flight deck.

: Jae-hyuk successfully lands the plane despite low fuel and mechanical failure. The survivors are eventually reunited with their families after being treated. Emergency Declaration (2021)

: Realizing they have nowhere to land and are running out of fuel, the passengers and pilots initially decide to let the plane crash into the sea to prevent the virus from spreading.

: A sociopathic scientist named Jin-seok posts a video online threatening a terrorist attack on a plane. He boards flight KI501, bound for Honolulu, carrying a mutated, fast-acting hemorrhagic virus.

The story of the 2022 South Korean disaster thriller follows a terrifying bioterrorism attack aboard a flight from Seoul to Hawaii. The Setup