Stacy is one of his girls, she's on her fourth contract already. She loves the primal instincts that show up when she's being hunted, she loves being overpowered by this big masculine force. Over time she has become a skilled survivalist and she has grown quite fond of Joseph
However their harmonious but peculiar bond is threatened when Joseph introduces a new girl into the mix, called Veronique. Veronique is a cop that has set out to investigate Joseph for financial fraud, however along the way she discovers he's a werewolf. She figures she can make an even bigger promotion exposing him as a werewolf.
It's a fantasy novel that describes the love between a werewolf and his favorite prey. How he hunts her down time and again by shooting her with sedation darts, by stalking her with chloroform, or sometimes just as his pure primal self, without any medicine to his aid, and how this unlikely couple falls in love the moment they realize they're about to loose each other.