It's the First World War, and in a desperate game of bluff and counterbluff biggles is sent to work for the germans while secretly reporting back to the British. Can he survive the eagle-eyed suspicions of von stalhein? ...It's the First World War, and in a desperate game of bluff and counterbluff biggles is sent to work for the germans while secretly reporting back to the British. Can he survive the eagle-eyed suspicions of von stalhein? How will he cope flying in combat against the British?