It’s December 20, 1943 – all around, WWII is raging – and American Second Lieutenant Charles Brown is piloting his stricken four-engined Flying Fortress over Germany. Things are desperate indeed. A concerted attack by Nazi fighter planes has devastated Brown’s bomber, leaving just one engine fully operational. The odds of escaping further German attacks and limping back to base in England could therefore hardly be longer. And then a pursuing Luftwaffe pilot comes into view.