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...
随着她母亲的去世和痛苦的离婚，安妮和她的女儿搬回她童年的家。起初一切似乎很好，但悲剧再次发生时，在一个雾蒙蒙的晚上，艾米丽失踪了从她的卧室。安妮声称她从黑暗中看到了什么东西，并带走了艾米丽……一个生物。
