Trevor Owen has a younger brother who lives in the barn behind the house, too monstrous to be let into the house. The boy's only six years old, but he towers over his older brother, and possesses monstrous strength. For years, Trevor has looked after his baby brother, keeping him from the light, but now that's all about to change. His family's profane secret is about to be revealed, uncovering the horrible truth of the small midwestern town the boys have grown up in.