The Cannes Masquerade

The return to the French mainland under cover of darkness was an intelligence raid disguised as high-society theater. At eight o’clock on a cool October evening, the stealth yacht *L'Ombre* slipped quietly into the Gulf of La Napoule, dropping anchor three miles off the glittering coastline of Cannes. Across the dark water, the Boulevard de la Croisette glittered like a ribbon of diamonds, its luxury palace hotels—the Martinez, the Majestic,…