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……

Amidst her ongoing struggle with cancer, Betty and her partner Mark embark on a final journey with the intent of carrying out a suicide pact. Initially united by love, impending doom strains their bond, turning them against each other.

故事主要聚焦在一个早熟的男孩和他的选择性缄默的兄弟身上。在家庭因毒品贩子的干预而瓦解后，两兄弟开始了一场关于爱、救赎和报复的冒险。

　　A group of friends must confront their fears in a terrifying game.