Amy's mother died when Amy was a young girl, and her father never rose above the grief that crushed him. Together, they moved from town to town, following her father's job.  Unable to put down roots, Amy never made lasting friendships.  Without the supportive, nurturing relationship of a father, Amy had to learn to make her own way and cope on her own.  After a hurtful clash at school, Amy decides she has had enough.   She needs to find a way to heal herself and become whole.  Her impulsive nature leads her to buy a bus ticket and just walk away. Amy flees to her maternal grandmother's home in the mountains of New Hampshire.  There, under her Nana's gentle guidance, Amy discovers friendship and the healing powers of nature.  She finds her mother's old backpacking gear, and with the help of some newfound friends, she starts on the path of trust and recovery Dan, is on a journey of his own, running away from a guilt that haunts him.  He grew up in the mountains, hiking and backpacking.  For him, the mountains are an escape, a place where guilt doesn't crush him.  They are a place where the haunting reminders of what he should have prevented aren't constantly assaulting him with memories, where he can escape the sadness in his mother's eyes. One more impulsive decision on Amy's part lands her in a terrifying situation.  Dan's skill is her only hope for survival. Together, they teeter on the edge of destruction or healing.