One fateful night, an incident with Luke Willis, a preacher's son, leaves sophomore Hallelujah Calhoun an outcast, silent in the face of all questions and taunts. Six months later on a mountain youth group retreat Hallie is still getting taunted, and even a new friend in Rachel, who knows nothing about the incident doesn't help--even so, Hallie, Rachel, and a former friend named Jonah will have to band together when they get lost in the mountains by themselves.