Young women are vanishing and turning up dead weeks later. A serial killer is on the loose and a damn good one...he doesn't leave a clue behind...Heather has solved a lot of crimes but has never encountered anything like this. Her own dark past is brought to light as well as her own curse. She has enlisted the aid of a guardian angel throughout her career and now believes that he may know a lot more than he's letting on...in fact, he may not be an angel at all...but a devil that wants her soul.