Emma Carstairs has just learned that the love she shares with her warrior partner and parabatai, Julian Blackthorn, isn’t just forbidden, it could destroy them both. She knows she should run from Julian. But how can she when the Blackthorn family is threatened by enemies on all sides?
Their only hope is the Black Volume of the Dead, a spellbook of terrible power. Everyone wants it. Only the Blackthorns can find it. Spurred on by a dark bargain with the Seelie Queen, Emma; her best friend, Cristina; and Mark and Julian Blackthorn embark on a journey into the Courts of Faerie, where glittering revels hide bloody danger and no promise can be trusted.