In this thrilling coming-of-age adventure, a troubled teen must face the dangers of the Alaskan wild, as well as her own past, in order to find her way home. Sent to stay with her uncle in Alaska while her mother is in treatment, 14-year-old Mackenzie (Ella Purnell) is forced to flee as her uncle's attention turns threatening. Unable to reach her mother and afraid that the authorities will return her to her uncle, she embarks on a journey across miles...