"It begins with a shocking act of vengeance. Barista Ethan Falk chases a customer into the parking lot and kills him. He tells police that years ago the older man abducted and tortured him. Then Ethan's story takes an even stranger turn: he says he was rescued by a guy named Scorpion. Of course, there is no record of either the kidnapping or the rescue, because Scorpion--Jonathan Grave--operates outside the law and leaves no evidence. As Grave struggles...