 On an airliner 40,000 ft. above the Atlantic, overworked businessman Roy Harper sits out what looks to be another routine, transatlantic crossing. That is until a mysterious Japanese symbol, edited into the in-flight movie as a flash frame, hypnotises him beginning a bizarre, frightening puzzle of flashbacks, brainwashing, sleeper agents and artificial worlds. Because at 40,000ft. all you can see is red!