The strange visitation at Wolffe Hall

The year is 1841 and Grayson Sherbrooke, a popular author of gothic paranormal mysteries, lives on the coast of Northern England with his four-year-old-son, Pip. He's asked by a neighboring little girl, P.C., to come to Wolffe Hall because something terrible is threatening her and her mother. She describes the house shaking with terrifying tremors and a huge black hole she calls the Abyss appearing in the entrance hall. She also knows the menace...