Emergency Declaration 2021 AN AIRCRAFT IS FORCED TO DECLARE AN EMERGENCY WHEN AN UNPRECEDENTED TERROR OCCURS INFLIGHT Veteran chief police detective In ho SONG Kang ho receives a tip about a man threatening a terrorist attack against a plane While investigating, he discovers that the suspect has actually boarded flight no KI501 Despite his phobia of flying, Jae hyuk LEE Byung hun decides to go to Hawaii for the sake for his daughters health At the airport, he is distracted by a strange man who hangs around, speaking to them in a menacing way Flight no KI501 departs Incheon Airport for Hawaii, but soon afterwards a man dies for mysterious reasons Fear and chaos spread quickly, not only inside the plane, but also on land Hearing this news, Transport Minister Sook hee JEON Do yeon sets up a counterterrorism task force and calls an emergency meeting in order to find a way to land the airplane