大学毕业生吕长江与好友陈方圆西行创业,做旅行主播。旅途中结识志愿者何小青及三位豁达老人,六人结伴见证长江变迁。在格拉丹东雪山脚下,三位青年领悟了环保与生命真谛,各自寻得人生方向,完成了这场关于梦想与传承的溯源之旅。
Fleeing her past, a troubled hiker and her dog traverse the Appalachian Trail, only to fall under the spell of a dangerous man. As obsession and visions mount, she's drawn toward Mile 666, where lust, death, and something ancient await.