Paris in 1789 is a labyrinth of twisted streets, filled with beggars, thieves, revolutionaries—and magicians...

When smallpox kills her parents, Camille Durbonne must find a way to provide for her frail, naive sister while managing her volatile brother. Relying on petty magic—la magie ordinaire—Camille painstakingly transforms scraps of metal into money to buy the food and medicine they need. But when the coins won’t hold their shape and her brother disappears with the family’s savings, Camille must pursue a richer, more dangerous mark: the glittering court of Louis XVI and Marie Antoinette.

With dark magic her mother forbade her to use, Camille transforms herself into the ‘Baroness de la Fontaine’ and is swept up into life at the Palace of Versailles, where aristocrats both fear and hunger for la magie. Though Camille's resentment of the rich is at at odds with the allure of glamour and excess, when she meets a handsome inventor she believes liberty and love may finally be possible.

But la magie has its costs. When a scheming courtier blackmails her and Lazare’s affections shift, Camille loses control of her secrets. Then revolution erupts, and she must choose—love or loyalty, democracy or aristocracy, reality or la magie—before Paris burns…