Once respected members of society, shifters are running for their lives. In a futuristic world where resources are scarce, Kate uses her human form to work as a sex surrogate. Furious at what looks a lot like genocide for her people, she joins the shifter underground.Devon's been a cop for a long time. He has shifter blood, but not enough to change into anything, at least not until the police department insists on a series of infusions to make him better at tracking shifters so they can be imprisoned-or killed.Devon's latest assignment is Kate. From the moment he sees her, he can't get her out of his mind. But she's the enemy he's sworn to eradicate. As he tracks her, the line between hunter and hunted explodes.Against reason and wisdom, Kate and Devon defy the rules. If their passion doesn't save them, it'll doom them forever.Author note: The entire Underground Heat series is also available in a single paperback.