They called it the Thorn Hill Massacre-the brutal attack on a once-thriving Weir community. Though Jonah Kinlock lived through it, he did not emerge unscathed: like the other survivors Jonah possesses unique magical gifts that set him apart from members of the mainline guilds. At seventeen, Jonah has become the deadliest assassin in Nightshade, a network that hunts the undead.
Emma Claire Greenwood grew up worlds away, raised by a grandfather who taught her music rather than magic. An unschooled wild child, she runs the streets until the night she finds her grandfather dying, gripping...

The delicate peace between Wizards and the underguilds (Warriors, Seers, Enchanters, and Sorcerers) still holds by the thinnest of threads, but powerful forces inside and outside the guilds threaten to sever it completely.
Emma and Jonah are at the center of it all. Brought together by their shared history, mutual attraction, and a belief in the magic of music, they now stand to be torn apart by new wounds and old betrayals. As they struggle to rebuild their trust in each other, Emma and Jonah must also find a way to clear their names as the prime suspects in a series of vicious murders....