After Rachel Myles' abusive ex-husband vanishes with their children, she takes refuge in the solitude of the desert, where she makes a new career as a search-and-rescue tracker. When a young girl disappears, she searches the desert while praying and hoping for the safe return of her own children. Inspired by actual events based upon the memoir by Hannah Nyala.

在丈夫和女儿不幸去世后，莎拉·道尔搬回了童年时代的家，与她疏远的哥哥理查德在一起。不久，莎拉就开始体验暴力和敌对性质的超自然现象。