A group of strangers take part in an exclusive course to help them deal with their fear of flying. Their final assignment is a flight from London to Iceland, during which nothing goes according to plan. The situation further worsens when, as a result of an approaching snowstorm, the course participants are forced to stay in a hotel far from the airport. The fatigue and frustration that increases with each passing hour brings them to the brink of endurance. Will they be able to deal with their own demons and find a way back home?