A thrilling new espionage novel set in WWII-era France and Poland. There are twenty-one spies at war on the espionage battlefield that was Warsaw in 1937. For France and Germany, survival is at stake. At the French embassy, a new military attache joins the fight. He is Colonel Jean-Francois Mercier, a decorated hero now drawn into a world of abduction, betrayal, and intrigue in the diplomatic drawing rooms and back alleys of the city.