While investigate a terroristic menace that travel viral online, Korean government detect that a suspect has late board an international flight boundary for the United state. When a healthy rider on the same flight all of a sudden die a ghastly decease of unknown cause, panic erupts both in-flight and on the land. With steadily decrease fuel and international refusal to offer aid, the captain and crew will be coerce to take unprecedented exigency measure in an effort to salvage the life of their passenger.