In March 1943, 76 Allied officers tunnelled out of Stalag Luft III. Of the 73 captured, over 50 were shot by direct order of Hitler. This is the story of how a British Bobby from Blackpool, Frank McKenna, was sent to post-war Germany on the express orders from Churchill to bring the Gestapo murderers to justice. In a quest that ranges from the devastated, bombed out cities of Europe to the horrors of the concentration camps, McKenna is relentless in his pursuit