This work investigates the hidden history of a small French village during the Great War, focusing on the intersection of local survival, espionage, and the tragic fate of four British soldiers left behind enemy lines. Ben MacIntyre, a seasoned historian and journalist, utilizes primary source documents, local French archives, and interviews with descendants to reconstruct the lives of the soldiers and the villagers who risked their lives to hide them. The narrative argues that the reality of the war was often defined by intimate, localized acts of courage and betrayal rather than just the grand movements of armies on the front lines.

This account is regarded as a meticulous piece of investigative history that brings a human scale to the vast tragedy of the First World War. The narrative is noted for its balanced treatment of the complex moral choices faced by both the soldiers and the villagers who sheltered them.