Tweed grasps that the news signals catastrophe in Europe – on Britain’s doorstep. Can he identify the mastermind behind this conspiracy in time?

          Is there a link between two identical murders – one in Aldeburgh, Suffolk, the second in Bordeaux, France? What roles are played by Jean Burgoyne, English mistress of General Charles de Forge – a pseudo-De Gaulle? By Isabelle Thomas, girl friend of a murdered British agent? By Captain Victor Rosewater, British Army officer?