Michael
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. The offspring and her friends become uneasy allies with the ghost of the mother to destroy the demon and restore harmony.
In 2012, while avoiding the demolition of a colonial Peruvian mansion; A Peruvian immigrant woman, returning briefly from Spain, discovers that she and others had inhabited the very same house two hundred years prior; before Peruvian independence from Spain in 1821.
Joanna
After a family survives Hurricane Katrina, there is another storm but this one is much worse.