A young woman tries to find her origins after having been abandoned as an infant at a cemetery wrapped in a cloth with satanic symbols, but as she gets closer to answers a malevolent spirit is telling...

一辆油罐车在隧道内发生车祸，回家过圣诞的路人被困于隧道大火，山上暴风雪肆虐，急救人员奋力赶往事故隧道，展开救援行动...