In an effort to overcome a debilitating phobia of the boogeyman, Laura (Danielle Savre) checks herself into a mental institution, where she seeks treatment under the watchful eye of Dr. Mitchell Allen (Tobin Bell). But, try as she might to escape the haunting memory of her parents' bloody murder at the hands of the boogeyman himself, Laura remains a prisoner of her own mind. Her greatest fears come true when the titular demon comes calling.