A military attaché at the French embassy is drawn into a world of abduction, betrayal and intrigue in the diplomatic salons and back alleys of Warsaw.

David Tennant and Janet Montgomery have been cast in Alan Furst’s celebrated novel, The Spies Of Warsaw, adapted by Dick Clement and Ian La Frenais.
　　A thrilling spy story set in Poland, Paris, London & Berlin in the years leading up to the Second World War. French and German intelligence operatives are locked in a life-and-death struggle on the espionage battlefield.
　　At the French embassy, the new military attaché, Colonel Jean-Francois Mercier (Tennant), a decorated war hero of the 1914 war, is drawn into a world of abduction, betrayal and intrigue in the diplomatic salons and back alleys of Warsaw.
　　At the same time, the handsome aristocrat finds himself in a passionate love affair with Anna (Montgomery), a Parisian lawyer for the League of Nations. Their complicated love affair intensifies as German tanks drive through the Black Forest.
　　Two 90-minute film adaptations of one of Furst’s most acclaimed novels will bring to BBC Four a combination of historically located, intelligent narratives, interlaced with flawed, romantic and utterly compelling characters.