Determined to forge a better life for herself, Luzia plunges into a world of power-hungry nobility, desperate kings, holy men, and hucksters, where the lines between magic, science, and fraud blur. With the pyres of the Inquisition burning, she must use every bit of her wit and will to win fame and hide the truth of her ancestry—even if that means enlisting the help of the notorious Guillén Santángel, whose own secrets could doom them both.