There's something in the walls... Erica's parents were delighted at how cheap their new house was. It's a large stone building in a nice part of town, but for some reason its occupants never seemed to stay for long. When Erica discovers a door hidden behind the wallpaper in her room, she assumes it's a small crawlspace. There's nothing unusual about it... except for the quiet tapping noise she can hear late at night. As she learns more about the house's dark history, Erica realises her family might have bought much more than they'd bargained for...