The documentary shows a very honest depiction of climbing Everest. People are frequently in peril and situations can be very tense. Here are a few examples.
Near the top of the mountain, one expedition member discovers a dying man, but can do nothing to help him. Later it is heard that he died.
Two men near the summit refuse to give up their attempt despite the fact they are running out of oxygen. They put everyone else in danger.
Prior to the expedition, there is news of the death of a sherpa.
Climber's lives are in danger during a traffic jam near the summit in -40 degree temperatures.