Alexandra Tyler is on the run. She married her college sweetheart, but soon discovered a dark side to him that she'd never seen before. Hoping to find refuge and start a new life, she moves to New Orleans. But bad luck follows and she finds herself barely escaping an abduction. Before she knows it, she's entangled in the search for a serial killer.

FBI Special Agent Danny DeLuca is on the trail of an infamous serial killer. There have been nine victims in nine months, one during each New Moon. But the tenth victim, Alexandra Tyler, escapes, giving Danny the first break he's had in the case. His job is to protect her and catch the killer, but as danger closes in, Danny must guard his heart in order to keep her safe.

While the killer continues to commit the almost perfect crime, Danny and Allie are forced to work together, while also resisting the other's charms. If they give in to their escalating attraction, it could be the death of both of them.