James is at the end of a long crusade for vengeance against the vampire clan that destroyed everything he held dear. He has Ren, the final and most dangerous of them all, cornered at last in London. But victory remains just out of reach when Ren sets a feral vampire on James and makes his escape. With no other leads, James is forced to take in the feral until he can use its connection to its sire to track down Ren. But in caring for the vampire, James sees they might not all be the monsters he thought them to be. Faced with an ugly truth, his quest for revenge becomes a war for retribution, and the discovery of what it truly means to be human.