'Suffering rattlesnakes! What am I getting into?' murmured Biggles, a ghost of a smile softening his face. 'First I'm sworn into the German Air Force; now, of all things, I'm a full-blown Gestapo Agent.' Biggles is on a reconnaissance mission in Norway when the Germans invade without warning. If he can just get back to his plane he can leave Norway quickly and safely, but his old enemy Von Stalhein has heard that Biggles is in Norway, and he's determined to track him down...