Gabriel Allon, master art restorer and assassin, returns in a spellbinding new novel from the #1 New York Times bestselling author Bruised and war-weary following his secret war to bring down a terrorist mastermind, Gabriel Allon returns to his beloved Rome to restore a Caravaggio masterpiece. But early one morning Gabriel is summoned by his friend and occasional ally Monsignor Luigi Donati, the all-powerful private secretary to the Pope. The broken body of a beautiful woman lies beneath Michelangelo's magnificent dome. Donati fears a public inquiry will inflict more wounds on an already-damaged Church so he calls upon Gabriel to use his matchless talents and experience to quietly pursue the truth was it suicide, or something more sinister? Gabriel discovers that the woman revealed a dangerous secret that threatens powers beyond the Vatican. And an old enemy plots revenge in the shadows, an unthinkable act of sabotage that will plunge the world into a conflict of apocalyptic proportions. Once again Gabriel must return to the ranks of his old intelligence service and place himself, and those he holds dear, on the razor's edge of danger.