How could a dead art expert resurface in Japan, upsetting the plans of priestly diplomats? Or did a ruthless schemer steal his identity? How far will that super spy dare to go, then, to subvert Church policy; and for whom does he really work? Is the answer hidden in Vermeer's celebrated paintings? Against a Cold War backdrop, friendship, religion, fine arts and ideology intertwine. Loyalties are tested, leaving as the only alternative betrayal or sacrifice. If the Church is under attack, could the worst infiltration be sin? Safety then will start with contrition.