Capt. Alexander de Milja is a chameleon. A cartographer by profession, de Milja works as an intelligence officer in the Polish underground at the outset of World War II. When the Germans discover de Milja's identity in Poland, he goes to France and later Russia to continue his work. Under a series of false identities, mingling with the bon vivants of occupied Paris, he becomes a prized intelligence resource, surviving by cunning and passing valuable...