After the mysterious disappearance of their mother, estranged brothers reunite and discover an unknown supernatural force.

凯伦•特尼（Lori Heuring 饰）的丈夫长久以来饱受病痛折磨，最终不治身亡。失去经济来源的凯伦，只好带着两个女儿：莎拉（Scout Taylor-Compton 饰）和艾玛（Chloe Moretz 饰）搬到宾西法尼亚州艾迪镇的卡顿矿山，一幢在她丈夫名下的房…