盖布丽（安琪拉·琼斯 Angela Jones 饰）的童年里有一段非常可怕的经历，年幼的她曾经在凶杀现场亲眼目睹死尸。这一段奇异的人生经历让盖布丽开始对尸体和死亡产生了好奇之心，这股子好奇随着她年龄的增大越发强烈起来，盖布丽甚至会特意的收藏报纸上的谋杀新闻做成剪报册，时时翻阅温习。 迈阿密接连发生凶杀案，被害者均是养尊处优的阔太太，而且无不身首异处。这起连环杀人案件很快就吸引了盖布丽的注意，为了能够更加接近命案现场，盖布丽来到了一间专门清理命案现场的保洁公司应聘成为了员工，并且在机缘巧合之下同连环杀人犯（威廉·鲍德温 William Baldwin 饰）有了一面之缘。
The film opens in a bleak police station where celebrated war correspondent Kate Rafter (Seagrove) faces questions from a psychiatrist, Dr Shaw (Kurylenko), as they work through the painful events of Rafter’s life. A horrific incident in war-torn Iraq and the death of her mother (Steed) have brought a haunted Rafter home to Herne Bay, a place she believed she had escaped forever. Her resentful sister (Friel) has not made her sister welcome and her forbearing husband Paul (Miles) fails to broker peace. Whilst packing up her mother’s belongings from her childhood home, Rafter comes to believe there is something strange and terrifying happening in the house next door.
本片是《从地心窜出》系列的前传，前三集中肆虐人间的巨型怪物最早出现在此，位于内华达的一座盛产银矿的小镇，由于矿工纷纷离奇死亡，很快就成为空城，具有贵族身分的加默拥有当地的采矿权，雇用了外籍佣兵凯利来和这群怪物打交道，以免断了自己的财路，不过在镇上肆虐 的并非人类，加默和镇上幸存的镇民必须全副武装，以和这些巨型怪物開始了正面对决...
