Adam Green writes and directs this suspense thriller. When three college friends - Dan (Kevin Zegers), Joe (Shawn Ashmore) and Parker (Emma Bell) - take off into the mountains for an impromptu skiing trip, a series of unlucky events leads to the trio becoming trapped in a ski-lift suspended high above the frozen mountainside. As night closes in and the temperature plummets, horror awaits the three friends as they are forced to make brutal life-and-death decisions in order to survive.