The story of Wilhelm Steiber, Otto von Bismarck's intelligence chief, whose thorough penetration of France through his spy network led to Prussia's easy victory over France in the Franco-Prussian War. Steiber would go on to be known as the father of modern espionage.
Southern Belle working as a spy for Stonewall Jackson delivers intelligence that helps him avert disaster in May 1862.
German spy Maria Sorrell disguises self as a Russian.
The French, in an attempt to by-pass the English blockade, try to sneak a nobleman---dressed as a woman into Russia.
British spy in Cairo attempts to goad Pauline Fourès' jealous husband into assassinating Napoleon.