Karen Bechard, UN Agent, thought the flight from the US to Europe was going to be routine. It was in mid flight where everything turned ugly. A man hyped on some highly addictive drug goes zombie flesh eating berserk. People die, people get hurt, and then no one to fly the plane. What is an agent to do? And, that was the easy part of the day, of which was turning out to be a Four Horsemen trampling humanity scenario and Karen had to be on her A-game.