Five teenagers frantically run for refuge down into a basement. They barricade themselves inside as they are being hunted down by an insane killer upstairs. The killer’s motive is unknown and the teenagers question why this is happening to them. With the killer holding vigil at the basement door, the teenagers soon realize they’re trapped, as the only way out is the very same way they got in. As events unfold, questions of their own sanity come to light and reality becomes distorted.
The modern-day descendant of Little Red Riding Hood brings her fiancé home to meet her family and reveal their occupation as werewolf hunters, but after he is bitten by a werewolf, she must protect him from her own family.