故事聚焦在一支研究团队，他们被派到科拉深孔（Kola Superdeep Borehole）去调查源自于深处的奇怪声音，他们却发现超乎他们所有想像的东西。更糟的是，他们可能无意间将躲藏在深处的东西给释放了出来。

A small research team went down below the surface to find out what secret the world's deepest borehole was hiding. What they have found turned out to be the greatest threat in history. And the future of humanity is in their hands.