影片根据泰·加涅发表的的文章《高处：雪地里的脚印引发了一场温情救援》(High Places: Footprints i n the Snow Lead to an Emotional Rescue，暂译)改编，讲述了母亲、护士兼登山爱好者帕姆·贝尔斯的故事，当她独自跋涉华盛顿山，被暴风雪困住时，她遇到了陌生的登山者并为其展开了一场大胆的营救。
What happens when a man who believes he has retired from MI6 is called back to do one more job to regain his life, only to discover that this job may mean he has no life to go back to.
