After serving two years on a military outpost in the middle of an ocean – four soldiers are waiting for a new crew to replace them. When the long-awaited boat finally appears, it’s empty with no relief on board. When trying to find out what happened to the boat and the missing crew, they realize they’ve lost all communications with home. Cut off from the rest of the world and no one coming to get them, Baines, Sullivan, Cassidy and Hendryx must fight with suspicions about each other and find a new way to get home. If home still exists.

一名男子在郊區一間空蕩蕩的房子里醒來，沒有記憶，手臂上沾著血跡。當他瘋狂地洗掉血跡時，他發現那不是他的。他在房子周圍發現了一些便利貼，上面寫著:“不要呆在這個房間里。”“別出去。”“別下樓。”他感到困惑，試圖追蹤這些神秘的信息，最終發現了兩件事。他與母親和女兒的記憶有某種聯系，還有住在這所郊區房子里的惡魔。當他越來越接近解開他為什么在那里的謎團時，惡魔變得越來越強大，考驗著他的生存意志。

　　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.

　　弗蘭克·沙萊克是個國際刑警，沙萊克在工作中的過激行為有被上司停職的危險。 弗蘭克·沙萊克有一個秘密組織，專門從事尋找綁架兒童的線索。 沙萊克聽到唱詩班指揮的死亡，他認為他自己能調查這個案件，并且他也已經發現了一個線索，并與卡斯丹合作調查。但隨著調查的深入，他們越陷越深，那些秘密就隱藏在二次大戰的那些黑暗歷史中