The story is set in the fictional town of Tarker's Mills, Maine. A werewolf is viciously killing people and animals and strange incidents take place at each full moon. The otherwise normal town is living in fear. The protagonist of the story is Marty Coslaw, an eleven-year-old boy in a wheelchair. The story goes back and forth from the terrifying incidents to Marty's youthful day-to-day life and how the horror affects him.
Suspense e Mistério / Terror