In a small American town, a series of brutal murders begin to occur, causing fear among the residents. The townsfolk initially suspect a maniacal killer is on the loose, but the evidence soon points to something far more sinister. The mysterious and violent deaths coincide with the full moon, leading some to believe that a werewolf is responsible for the carnage. As the death toll rises, the town is enveloped in paranoia and dread, with each nightfall bringing new terrors.

Among the residents is a young, wheelchair-bound boy named Marty, who, despite his physical limitations, is adventurous and imaginative. He shares a close bond with his supportive uncle Red, a man whose rough exterior conceals a caring nature. When Marty becomes aware of the strange occurrences afflicting his community, his curiosity and fearlessness drive him to investigate. Marty's efforts to uncover the truth lead him down a path of danger, where he must confront the very monster that has been terrorizing the town.