Six faces in six photographs, all guilty-and detectives Regan Pescoli and Selena Alvarez are at the top of his list. One by one, he'll stalk them then he'll squeeze the trigger, savoring the way each lifeless body crumples to the reddening snow. Pescoli isn't waiting to find out who is next. Headstrong and eager for justice, she'll track the scant clues on her own if she has to. But her search leads her straight to a monster who has had her in his sights all along.