Clary and Jace have saved the mundane and Shadowhunter world a few years back. now there is a new threat. the threat killed Emma Carstairs parents, and is on the move again. The clave thinks the new enemy is a teenager nambed Kingston Runekeeper. King hails from the Seattle Institute, and as his shadowhunter name goes is keeper of the rune books. he knows who murdered John Carstairs and his wife, but to tell would be to get himself killed. by his very own relitive.