As Britain is battered by a storm, one last plane takes off. Shortly after, the handful of passengers start disappearing one by one; those that remain frantically try to discover who - or what - is behind it before they share the same fate.
As a snow storm closes in, one final plane takes off. The plane reports to the ground that both pilots are dead, while the slowly dwindling number of passengers on the plane wish that they'd never left the ground.