Bill Marks (Liam Neeson) is an air marshall. He is also scared of take-offs, rude, and inexplicably able to convince people of his veracity despite overwhelming odds. For, in Non-Stop, a film about the perils of nonstop flights from New York to London, these odds are supplied more by Bill's neurotic penchant for beating people to a pulp than from the film's geeky villain.
As far as the villain is concerned, all he wants is 150 million bucks deposited into Bill's account so that everyone can get off of the plane safely. The process is simple - once every 20 minutes, somebody dies....