在位于阿帕拉契山脉的乡间小镇地底下，有座已燃烧数十年的废弃煤矿。一支研究小队前往该地试图找出当年矿坑起火燃烧的原因，却意外挖掘出更令人吃惊的恐怖秘密……
A pregnant women on bed rest begin to wonder if her house is haunted or it's all in her head.
