Malevolent plot
Brother and sister Jackson and Angela run a profitable ghostbusters business. They defraud relatives with fake detection equipment and Angela's paranormal 'visions'. They are hired to investigate an old boarding school that is said to be haunted. The team soon discovers the terrifying past: young girls were brutally slaughtered and their mouths sewn shut by a sadistic killer. Angela is about to lose her mind and reality. She is convinced she hears the girls screaming in the darkness. But the supernatural horrors when they discover the real evil of the house.