Avery Delacorte, a sophomore on her university's nationally ranked team, struggles under the weight of new expectations but life is otherwise pretty good. That all changes when Avery's red-eye home for Thanksgiving makes a ditch landing in a mountain lake in the Colorado Rockies. She is one of only five survivors, which includes three little boys and her teammate, Colin Shea. Faced with sub-zero temperatures, minimal supplies, and the dangers of a forbidding nowhere, Avery and Colin must rely on each other in ways they never could have imagined.