Written and directed by Jae-rim Han, this action-drama thriller is based on real-life events. A terrorist threat is being investigated by South Korean authorities because its details went viral online. One of the suspects involved boards an international flight headed to the United States. While up in the air, one passenger of that flight dies under mysterious circumstances. The incident triggers chaos among the passengers and crew. The captain must soon find a way to make an emergency landing to curtail the situation.