In the dead of night, Charlotte, a young girl, appears at Roy's doorstep, fleeing from her abusive father. Despite a few too many drinks, Roy reluctantly offers her shelter for the night. What begins ...

En Nochebuena, una pareja inocente se convierte en anfitriona de una entidad maliciosa. Durante toda la noche aterrorizan a una familia de cinco de formas inimaginablemente violentas e inquietantes....