When the US Marshals Serial Crimes Tracking Unit comes knocking at Aislinn Cain's door, she is given a chance to use her past to save other people's futures. She has survived attacks by two different serial killers and devoted her life to studying the darker side of human history. A new killer is using medieval torture methods to slay his victims. She can give them a glimpse into his twisted world, but not without a cost. If she opens herself, she risks falling into the depths of her own darkness. Can she afford to help, knowing that the cost could be her own humanity?

He skins his victims alive, taking pleasure from their pain. In the cold, dark nights of Alaska, a hunter is stalking his prey. Once found, he takes them into the woods and skins them alive, prolonging the experience as much as he can, but the satisfaction always wanes. Aislinn Cain and the Serial Crimes Tracking Unit have just finished up another case when they get the call. Now they are packing their bags and heading for Alaska in March. The team must overcome the hostile locals and harsh climate to catch a killer before he steals the life of another woman.