Someone in the Colonial Office is passing secrets to Germany about England’s Africa policy. While Pitt investigates this treason, he is quietly looking into the tragic ‘accidental death’ of his childhood mentor, Sir Arthur Desmond. Pitt believes he was murdered and that the crime is connected with the treachery in the Government. Only when a Thames waterman finds the strangled body of a society beauty floating near Traitor’s Gate, do Pitt and Charlotte untangle the threads of passion and intrigue...