The black luxury SUV rolled through the wide boulevard leading to the Galeries Lafayette Haussmann, the crown jewel of Parisian shopping.

George killed the engine of the car, his lips curving into a smile as he unbuckled his seatbelt. Thalia was beside him, and in the back seat their two children were still bickering over something as trivial as a remote control they had fought over before leaving home.

“Daddy,” Tracey called softly from the back, her eyes wide, as though the grand ...