Autumn 1915. Kit Cobb, a reporter and undercover agent for the US government, is in Paris for a story about ambulance drivers. Parisians are meeting death by dynamite and the German-speaking Kit seems just the man to discover who is behind this possibly a German operative who has infiltrated with the waves of refugees? But there are elements in this pursuit that will test Kit Cobb, in all his roles, to the very limits of his principles, wits and talents for survival.