The year is 1947. Harry Tennant is back in Berlin, again on behalf of British Intelligence. He is work with a German Socialist Party member who is passing on confidential intel. While Tennant is pleased to be back in Berlin, he is wondering why the SIS picked him for the job. And what really happened to the man who was doing the job before - was his death really an accident? And what about the former Gestapo officer spotted on the street, an amazing occurrence since he was supposed to be dead.