In a decrepit and long-empty New York building, a man begins the demolition process by swinging a sledgehammer into a wall. When the dust clears, he finds two skeletons wrapped in plastic behind it. The man is Lieutenant Eve Dallas’s billionaire husband, Roarke, and he summons her immediately. His latest real estate project is going to be on hold for a while, because by the time Eve and her crew are finished searching the premises, there are twelve murders to be solved …

After a little digging reveals that the place housed a makeshift shelter for troubled and homeless teenagers back in the mid-2040s, Eve tracks down the people who worked there. Between their recollections and the brilliant work of the force’s new forensic anthropologist, Eve begins to put names and faces to the skeletal remains. They are all girls. A tattooed tough teenager who dealt in illegal drugs. The runaway daughter of a pair of well-to-do doctors. They all had their stories. And they all lost their chance for a better life.

Everyone has something to hide. And when Eve discovers a stunning connection between the victims and someone she knows, she is even more driven to reveal the secrets of the place that was called The Sanctuary - and to find the evil concealed in one human heart.