Gabriel Allon is in Umbria, when news reaches him that a Russian Defector who saved his life has vanished without trace. \'...it grips its reader by the throat like a rampant rottweiler and never, ever lets go\' }Daily Mail{.
British Intelligence assume he was a double agent, but Allon knows better, and soon finds himself in a deadly duel of wits with a murderous Russian arms dealer.
Gabriel Allon is in Umbria, when news reaches him that a Russian Defector who saved his life has vanished without trace