In the autumn of 1944, Marc Roussillon, a heroic French pilot and Resistance agent, has recovered from the wounds that he sustained when a German officer, Gerhard Hauptmann, shot him. On assignment in Paris for MI5, the British Secret Intelligence Service, he becomes entangled in several violent episodes as he searches for the double agent within the Resistance who has been the catalyst in the deaths of thousands of Allied soldiers and pilots. Gradually,...