伦敦-1973年漫长而艰难的冬天。矿工罢工导致整个英国停电，整个国家陷入一片漆黑。 女主Val是个年轻护士，被迫在一家破败的医院做夜班。是夜，瓦尔身处一处空旷破败建筑物，周围笼罩着险恶的黑暗。她发现这些城墙中隐藏着一个致命的秘密和一个可怕的存在。

When Pete and Omar lose their beloved Gran they go in search of Omar's estranged father, confronting him on the day of his daughters engagement pa