France, 1429 The Siege of Orleans A band of victorious French soldiers pursues defeated English fugitives. Lost in the woods, battered by an unearthly storm, and with one of their members struck by a mysterious illness, the group is forced to take shelter in an apparently abandoned castle. Inside, they find out that the war raging on the outside is the least of their worries when confronted with blood rituals, sadistic torture and an ancient cult long forsaken. Soon, enemies become allies and fight a monstrosity that threatens the whole of the human race.