*an act of biological terrorism occurs on a flight from Incheon to Hawaii—forcing everyone involved to make some quick decisions. We begin Emergency Declaration by setting up the various backstories that are going to culminate into the events ocurring on the screen. Park Jae-hyuk, portrayed by Lee Byung-hun, is with his daughter and is flying to Hawaii with her, but he has a fear of planes for a reason that only becomes glaringly obvious later on—in a convenient plot point, too. *