"Watson, could you bring your friend, Mr. Sherlock Holmes, here to help me? My position at the FOREIGN OFFICE seemed secure until this terrible calamity broke out. I am very afraid that my career has been DESTROYED!" The theft of a top-secret document from the Foreign Office greatly increases the chances of war breaking out. But why does the thief wait ten weeks to sell this treaty? Holmes and Watson delve into the depths of international diplomacy to ultimately discover that danger may come from where no one expects it.