Six people bound together by a traumatic experience decide to round off a year of group therapy in style. They join each other once more, traveling up to the Scottish Lowlands for a reunion weekend in a 1970s holiday let. Soon a number of mysterious and horrifying events start to expose the cracks in their relationships, and one by one they discover that trust runs but skin-deep. A night of closure turns out to be far more final than they could have anticipated.
A struggling novelist moves his wife and young son to an old country home where he intends to write his next bestseller, but when a presence begins to communicate with his son, the tortured family must fight to escape an evil that threatens to doom them to the house for eternity.
