In this volume, Charley has discovered that his brother-in-law, Oiley, was hiding a deserter from the French Foreign Legion called 'Blue'. Charley agreed to hear his story before deciding if he'd help him, too. Blue told him that during the Battle of Verdun he came upon a group of legionnaires about to be executed.
In this volume, a zeppelin raid on London has begun and the munitions factories in London's East End are targets. Charley alerts the people of Silvertown and rushes to save his mother, who had collapsed in one of the factories. Later, Charley hurries to stop his underage brother from joining the army before finding a wounded French soldier.