Emma is born into a long line of witches, but when she turns nineteen, her magical powers don't appear. When her only living relative disappears amidst a war between rival factions, Emma sets out on a perilous quest to save her.As the truth of her origins unravels, Emma falls in love with Nor, the daughter of a sworn enemy and prominent Dissenter, and uncovers a secret which threatens everything.As a formidable foe rises, old enemies must work together if they're to stop him... and Emma must decide how far she's willing to go.