"Vincent, more than anyone, knows what it means to keep a secret. With his troupe of talented craftsmen--the only family he has--he designs hidden compartments for priceless treasures and passageways for undetectable escape routes. The rich and powerful who hire him pay handsomely for his work, and for his discretion--they know only his first name, and his business is strictly word-of-mouth. As Paris celebrates the 1889 World's Fair, the city fills...