A group of five teenaged scouts and three adult guides hike into the Grand Canyon during a heat wave. As their water runs out and the older members collapse in exhaustion, three of the teenagers must set out on their own to reach the Colorado River.

A helicopter rescue crew fight for their lives.

1982. Five people get caught in a tropical storm and their yacht sinks. They have to survive in the middle of the ocean on a raft with absolutely no survival equipment. To their horror they find the area of the ocean to be infested with sharks.

British hiker Matt Briggs spends ten days stranded in the mountains of New Zealand's South Island following a crippling fall on a solo trek. With no sign of rescue and his supplies running low, Matt and his canine companion 'Little Dog' must fight horrendous injuries and brutal terrain to save their own lives.

Three men filming a volcano in their helicopter crash after losing control and get trapped in a crater of the active volcano. Surrounded by unclimbable ridges and poisonous gases, they must send one of them to radio for help.

Five survivors of a private plane crash must survive the dangers of the desolate African wilderness. With two severely injured, some of the group must wander off to find rescue, even though there is no civilization for hundreds of miles.

Five young guys from Bozeman, Montana have got together for a back-country ski trip to celebrate New Year 2005. Sam Kavanagh, Blake Morstad, Jason Thompson, Chris Maki and Matt Schuyler have grown up together. They're close friends and expert skiers. On the final day of their trip they accidentally trigger a huge avalanche. One of the gang is killed and another is left critically injured. Miles from safety, a dream adventure turns into a living hell.

A U.S. Army Private, his wife, and their five-month old son travel to a funeral, but on the way there, they miss the sign that leads to the city and instead go into an uninhabited national park which is closed for the winter.

Three friends go to the Amazon for a trip but things get nasty when their guide leads them to jeopardy. As the four (three friends and guide) split into two groups, one pair faces disaster at every turn, while the other two are never heard from again.

An environmentalist heads for a remote island off the coast of Queensland, he then meets a Dutch man on a deserted beach. A one ton slab of granite hits the environmentalist and pins him down to the bed of a creek. The Dutchman must find help for his new friend.

Two climbers are scaling a sheer ice-wall in an Alaskan mountain when one of the climbers falls and is badly injured. A passing aircraft sees their SOS signal, but damages the landing gear in the process. Now, the people on board are also stranded on the icy wasteland.

Two sons looking to repair their relationship with their father plan a fishing trip with their father in Mexico. An unexpected storm leaves them stranded in the middle of the Sea of Cortez.

Amateur photographer Jordan Nicurity is exploring a beautiful cove on Hornby Island in British Columbia when he falls 20ft from a cliff, shattering his pelvis and rupturing internal organs. Crippled by injury Jordan faces a life and death struggle only miles from where he lives. For 4 days his will to survive is put to the ultimate test.

A man involved in demining Cambodia accidentally steps on a landmine and blows off his leg. Two years earlier, he was kidnapped by a murderous group of Khmer Rouge.

A couple go on a tour of the San Jacinto Mountains, only to find themselves stranded and alone for 4 days fighting for their lives.

Two divers get stranded in the Pacific Ocean when their boat has to leave them. As they believe help is not coming they make a decision to swim for shore miles away or die trying.

Five boat safari goers find themselves stranded in the hippo and crocodile-infested Zambezi River when their watercraft sinks due to a mad hippo. Three get stranded on a submerged sand flat in the middle of the river and the other barely makes it to the shore. None of them are protected from Africa's deadly wildlife.

Experienced climbers Rachel Kelsey and Jeremy Colenso are in the Swiss Alps descending the Piz Badille Mountain when they are caught up in a terrifying electrical storm. Anchored onto the mountain with their metal climbing equipment, Rachel and Jeremy have become human lightning conductors. They have a heart-stopping dilemma - risk it all climbing down through the storm or spend the night on the mountain, where temperatures dip to -20.

A man crashes his plane in the African savannah. With legs broken in a total of six different places, he has to make it alive past lions and other dangerous predators in a state of intense pain and loss of leg mobility.

1995. A man and his son go on a skiing trip to Turkey. When a snowstorm arrives, they lose their way, and the father has to chose between staying with his son or finding help.

Ken gets lost alone on a trip to Mayan ruins.

Two brothers go on a hike in Utah's Canyons. They expect the trip will take no more than 8 hours, but when freezing temperatures come, one brother breaks his leg and the other has to find help... and fast.

In 2009, Tom and Linda Bosworth set off on a short 'jeeping' adventure to a beautiful but remote canyon in New Mexico.. Disaster strikes when their jeep hits a large rock causing it to roll. Stuck in the middle of nowhere, their car broken beyond repair, Tom and Linda are suddenly thrown into a desperate fight for survival.

In 2006, ex-Navy diver Rob Hewitt embarks on a short recreational fishing dive off the Kapiti Coast near Wellington, New Zealand. A fun day turns into a living nightmare when he gets caught in a vicious rip current and gets dragged out to sea. Coming face to face with a huge shark and suffering dehydration and exposure Rob is driven to the limit of human endurance.

A man and his aged dad go kayaking in the Alaskan wilderness. Everything goes fine until they run into some ice on the river, and soon find themselves swept underneath.