Returning to London after a year in exile, Coletrane is recruited into the Foreign Office to work as a spy. He has everything going for him - tall, dark and handsome, smart, and charming. But his nemesis causes him agony and fear creeps in because he is never sure who it is; even suspecting him in the capture of Chad in Paris. Spies are rife among the Emigre community in London and plots against the British must be solved.
When Napoleon abdicates, the Sovereigns of Europe come to London to celebrate. Lord Castlereagh chose him and Chad to infiltrate the various countries' intrigues. Then they are sent to Vienna for the Congress. When an English lady spy brings him news of a plot, they pit their wits against some of the most dangerous French spies. Will romance follow?