Five young guys from Bozeman, Montana have got together for a back-country ski trip to celebrate New Year 2005. Sam Kavanagh, Blake Morstad, Jason Thompson, Chris Maki and Matt Schuyler have grown up together. They're close friends and expert skiers. On the final day of their trip they accidentally trigger a huge avalanche. One of the gang is killed and another is left critically injured. Miles from safety, a dream adventure turns into a living hell.