Boarding an airliner headed from L.A to London writer Jane Forrest knows it will be a turbulent flight. An electrical storm stands between Jane and London. When a spectacular surge of lightning knocks the airliner off course, Jane turns to the dashing and knowledgeable Sir Richard Barton. As dawn breaks Jane finds herself burdened by the knowledge shared between herself and her new companion, there are no lights on the ground and the radio is jammed. When the airliner is safety landed on a deserted airfield they find cars abandoned and a mysterious lack of people on the deathly silent streets of Glasgow. Believing she will be safe in the arms of Sir Richard it's not until he is taken ill that Jane realises her affections really lie with another.