Fasten your seatbelt and get ready for a pulse-raising journey to alternative history. December 1944. The end of the war seems to be in sight and the Allies are confident of victory. Then comes a catastrophe that no one can believe. John 'Cowboy' O'Hara, the pilot of a BOAC airliner, is ordered to carry out a dangerous mission to deceive the enemy - a mission so perilous that he and his crew may never return home. Soon...