After scaling the never-before-conquered 21,000 foot Siula Grande, mountain climbers Joe Simpson and Simon Yates face their greatest challenge yet: getting back down. But when Simpson shatters his leg in an awful fall and the friends are separated by a series of devastating mishaps, their adventure becomes a nightmare. This documentary mixes interviews with the climbers and dramatic recreations of the events.

Based on the book by Joe Simpson. DVD special features include: making-of featurette; "Return to Siula Grande" featurette; interview with Joe Simpson and Simon Yates.