Callie Wolfe, shapeshifter werewolf and supernatural crime-fighter extraordinaire, is in love with her enigmatic boss, Shadow. But if he feels anything for her in return, he sure doesn't show it. At least, not until Callie loses her cool and confronts him regarding his standoffish behavior, only to end up in his warm embrace. When Callie and her co-agents find themselves embroiled in a fight to rid their city of a band of murdering rogue vampires, Callie and Shadow must juggle their budding, sexually charged relationship with tracking down and capturing the killers.