After wandering a ruined city for years in search of food and shelter, two siblings find their way into one of the last remaining buildings. Inside, they find a man who will make them a dangerous offer to survive the outside world.
A demonic creature not of this world impregnates a woman. 160 years later a team of ghost hunters must set aside their quick buck party mentality when they discover one of their team is the offspring of the entity haunting the place - and its true target.
