Carter, who awakens two months into a deadly pandemic originating from the DMZ that has already devastated US and North Korea. He who has no recollections of his past finds a mysterious device in his head, and a lethal bomb in his mouth. A voice in his ears gives him orders to avoid getting killed and he's thrown into a mysterious operation while the CIA and North Korean coup chase him close.
While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.