Margareth Lewis and her husband Nathan are in big trouble. The young woman suffers from kidney-infection and must undergo dialysis every week. Nathan Lewis has lost his position as an engineer, so financially the couple is in dire straits. For this reason, Nathan accepts the offer of an unknown man to carry a suitcase on the airplane from Mexico to Ocean City for which he will receive 25.000 dollars. Unbeknown to him the bag hides a bomb set to make the airliner explode in mid-air.