Twenty years have passed since Jem's death, and Tessa can feel her heart slowing, feel it falling into stone like so many other warlocks' have before her. She cannot stand to look at blue, and cannot stand to look at silver, and the two of them together is enough to shatter her heart. But one fateful day, Tessa is pickpocketed---by a small boy with eyes as blue as a night sky in Hell.