When Don Cameron mysteriously inherits a cache of World War II supplies, including an original Spitfire plane, his best mate Tom thinks they've struck it rich. With the help of Tom's childhood friend, they restore the Spitfire to its former glory. But Don seems strangely affected by the planea As the three friends delve into the treasure-trove, memories resurface. But for Don, the past is more real than the present. When he takes to the skies in a final swansong flight, his true identity is at last revealed.