Along a slow-moving river, he watches as her body drifts below the water's murky surface, forever altered. Before he disposes of each victim, he takes a trophy. It's a sign of his power, and a warning--to the one destined to suffer most of all... In Grizzly Falls, Montana, Detectives Selena Alvarez and Regan Pescoli are struggling with a new commander and a department in the midst of upheaval. It's the worst possible time for a homicide. A body has...