Leon is in his mid-twenties and terminally ill. He invents a technology that allows him to computerize his mind and live forever. This technology will be the downfall of mankind, so freedom fighter Aqua travels back from the future to kill him.
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.
