Gabriel Allon has been awarded a commission to restore one of the most important paintings in Venice. When he discovers the body of a woman floating in the waters of the Lagoon, he finds himself in a race to recover a lost masterpiece by Leonardo da Vinci.The painting, a portrait of a beautiful girl, has been gathering dust in a storeroom at the Vatican Museums for more than a century, misattributed and hidden beneath a worthless picture by an unknown artist. No one notices when the masterpiece disappears during a suspicious power outage. No one but the ruthless mobsters and moneymen behind the theft -- and the mysterious woman whom...