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.