Sherlock Holmes on the Western Front

Set during World War I, the story follows Holmes as he delves into the espionage activities affecting military operations from Salisbury Plain to the Western Front. As he investigates, a trap is laid to expose a spy ring, leading to the discovery of a secret tunnel that has the potential to change the war's outcome. The tension of wartime intrigue and the stakes of uncovering treachery drive this gripping narrative.