Brian and Jenny are preparing for the big opening of their bed and breakfast, Emily's Country Inn, when a huge storm hits Bucks County. Brian agrees to return to Wall Street to boost their funds, while Jenny scrambles to keep the opening on time.
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.