Sister Bernadette is accused of the murder of Deputy Sheriff Barnaby Wells and with the assistance of Thomas, the blacksmith's apprentice, seek shelter in a neighbouring village, where they hear tales of disappearances and dark forces. An old woman warns them about strange occurrences and advises them to seek out a hermit who might be able to help them.. As they rest, they're jolted awake by a noise and a figure is spotted outside. The night takes a turn when someone bangs on the door...