影片根据(jù )泰·加(jiā )涅发表(biǎo )的的文(wén )章《高处:雪地里的脚印引发了一场温情救(jiù )援》(High Places: Footprints i n the Snow Lead to an Emotional Rescue,暂译(yì ))改编,讲(jiǎng )述了母亲、护士兼登山爱好者帕姆·贝尔(ěr )斯的故(gù )事,当她(tā )独自跋(bá )涉华盛顿山,被暴风雪困住时,她遇到(dào )了陌生(shēng )的登山(shān )者并为(wéi )其展开了一场大胆的营救。