They called it "the slaughter of the innocents." The barely trained and poorly equipped men of the Labour Divisions were never meant to fight, but when the German blitzkrieg sliced through the Allied armies they were all that stood in the way of the annihilation of the British Expeditionary Force. Paying with their lives, they bought precious time as the army fell back towards Dunkirk, and long after the last of the little ships reached home, the men of the Labour Divisions fought on. Dunkirk 1940: Whereabouts Unknown uses official reports, diaries, and personal accounts to tell the story of the chaos, terror, and heroism of the amateur soldiers of 137th Infantry Brigade during the fall of France.