A woman’s secret. A deadly plague. Unleash the forbidden magic...

1348. Ginevra diGasparo has a gift: by harnessing the hidden powers of gemstones, she can heal the sick. But when word spread of her unusual abilities, she was condemned as a witch and banished. Now, as the Black Plague is ravaging Italy, the same men who expelled Ginevra are begging for her return.

Ginevra obliges, assuming the city’s leaders are finally ready to accept her unorthodox cures amid a pandemic. But upon arrival, she is tasked with a much different mission: she must use her collection of jewels to track down a ruthless thief who is ransacking Florence’s churches for priceless relics — the city’s only hope for protection. If she succeeds, she’ll be a recognised physician and never accused of witchcraft again.

But as her investigation progresses, Ginevra discovers she’s merely a pawn in a much larger scheme than the one she’s been hired to solve. And the dangerous men behind this conspiracy won’t think twice about killing a stone witch to get what they want...