Two miles into the earth, nine Appalachian miners struggle to survive after a methane explosion leaves them with one hour of oxygen to go.
根据多个真实矿工场爆炸事件改编，讲述位于阿帕拉契山脉中地下两英里的矿工场，被困的九位矿工仅有一小时含氧量的氧气瓶，他们该如何逃出生天？
