"A riveting, well-researched tale that kept me glued to the pages. Absolutely my favorite kind of story: rich in period detail, fast-paced, and loaded with twists. A winner!"--Christopher Reich, New York Times bestselling author of Rules of Vengeance and Rules of BetrayalOne enigmatic smile. Two passionate protectors. And a relentlessly ticking clock.August 1944. Paris is on the cusp of liberation. As the soldiers of the Third Reich flee the Allied advance, they ravage the country and steal countless pieces of irreplaceable art. In fact, Reichsmarschall Hermann Göring will stop at nothing to claim the most valuable one of all--the Mona Lisa--as a postwar bargaining chip.But the woman with the mysterious smile has some very determined protectors.