Astronaut, Scott Parazynski, and senior citizen Dawes Eddy attempt a history-making summit bid. Veteran of 5 Space Shuttle missions, Scott is vying to become first person to walk in space and stand on top of the world's highest peak. For 66-year-old Dawes, a successful climb would make him the oldest American to reach the summit of Mount Everest. The climbers quickly find out that the mountain doesn't give up the prize easily. They'll have to run a lethal gauntlet of shifting ice, deep crevasses, and avalanches - if they make it through these obstacles, the Death Zone lies dead ahead, and the summit just beyond.
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