Everyone has their demons in
Blood Conscious
Their holiday turns into a trip from hell as they walk in to a scene of mass murder. They discover that their parents and neighbors on this side of the lake all lie dead.
Terror strikes when an armed murderer confronts them; claiming to be fighting the demonic forces possessing the lakeside residents. They pin him down and lock him up in the cellar; but soon he claims that he is not alone down there.
As unexpected and traumatic events keep unfolding, they will have to find a way to survive the night without turning on each other, or becoming possessed.