When the B-29 Superfortress Mary Jane is discovered in 1945 sitting in thick jungle with no visible damage, and her crew and mysterious payload are missing, the incident is hushed up and forgotten. But in 1990, mysterious radar images start to appear. F-18 crews sent up to investigate discover a B-29 flying towards Japan. What is this mysterious plane? If it is the Mary Jane continuing her mission, how can they stop it? [55000 words]