Gregg Hein's descent from 14,000 foot Mt Goddard becomes a nightmare struggle to survive when a boulder rolls into him and breaks his leg. Next, U.S. college students Crystal and Dave take a simple three-hour hike on a trail in the Amazon rain forest, that but become lost. The two spend four days building shelters, battling bugs, dehydration, torrential rains, sleepless nights and a jungle full of creatures.
