Holy Mountain takes us on an incredible journey mixing images of private archive material and the fascinating testimony of Reinhold Messner and his colleagues. Nepal, 1979: a group of young New Zealanders led by Peter Hillary decide to climb the 6828 metres high mountain Ama Ablam. Reinhold Messner with his team intend to do the same. They observe the dangerous ascent of the first group who very quickly seems to be in serious danger. In an unprecedented demonstration of comradeship, Reinhold's crew decides to rescue the climbers. The documentary takes us on an incredible journey mixing images of private archive material and the fascinating testimony of Reinhold Messner and his colleagues.