The old woman turns out to be someone who worked at the orphange when Laura was there. Her son is the boy with the sack on his face, he was deformed and was hidden away from everyone at the orphanage. After Laura left her friends took him into the caves and took his mask off, he wouldn't come out and he drowned so the old woman poisoned all the children. Laura's hudband leaves the house and she stays to try and find Simon. She finds a door into a cellar under the stairs and Simon's body is down there. He was there the whole time and the banging Laura could hear the first night he disappeared was him trying to get out. Laura kills herself so that she can look after Simon and the ghosts of her friends.