one man stands in the way of countless deaths one man will try to stop him only one will succeed celebrity cop gabe quinn is back working robberyhomicide after a personal tragedy has left him emotionally bare hes raw but resolved to catch a serial killer stalking the streets of two major citieswith cryptic clues left at each crime scene gabe is faced with the seemingly impossible task of piecing together the bizarre puzzle following signs that point toward a killer whose motive questions everything he believes in if you could save a million lives by taking one would you