有犯罪前科的艾美在一间旅馆上第一次夜班，不料十年前曾在此地发生过的一起骇人谋杀案，却将艾美受困在反覆目击恐怖事件的轮迴之中。她必须和昔日命案的受害者齐心协力，想办法摆脱嗜血如命的谋杀犯，并且尽可能拯救

,

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-dee...