A grade 12 class sets out on a year-end hiking trip that becomes a horrific nightmare when unexpected storms rage against them provoking a deadly mudslide. The team is separated as their teacher and another student are captured in the mud and washed downstream.

Now Sarah and her surviving team mates must put aside their personal conflicts and become a rescue team amid ongoing storms. Sarah must overcome her own personal fears and join the fight for survival in a tense race agaisnt time.