50 year-old Australian mountaineer Lincoln Hall attempted to climb Everest in 1984 but didn't reach the summit. Now, 22 years later, he has a second chance. Despite his age, Lincoln fulfils his lifelong dream, but on the descent is struck by a deadly form of altitude sickness known as a cerebral oedema. Unable to climb and suffering from hypothermia, Lincoln is left for dead at 28,000ft. His survival is nothing short of a miracle.

In 2003, David Hunt and his 11-year-old daughter Leia, set off on a snowmobiling adventure in the Quebec back country. Disaster strikes when David's snowmobile hits a snow drift and crash lands into a ravine. Stranded miles from safety with a badly broken leg in sub zero temperatures; David's only chance of survival rests with his daughter Leia. It's the greatest test of her young life and one she can't afford to fail.

Mountaineer Jim Davidson and best-friend Mike Price embark on a mountaineering expedition to conquer the snow-shrouded summit of Mount Rainier in Washington State. On the descent disaster strikes when, without warning, Jim plunges into an 80 foot crevasse, pulling Mike down with him. Having survived the fall and an avalanche of snow Jim discovers that partner Mike has not been so lucky. To save his own life, Jim has to figure out a way to scale the sheer frozen walls, injured, without the right gear or a climbing partner. Can Jim overcome his grief and find the courage and skill to attempt the toughest climb of his life?

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.

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.

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.

Students Sonja Rendell and Marni Sheppeard are on a 3-day hike in Arthur's Pass National Park, staying in picturesque huts and planning to visit thermal mud pools, before returning home for a family Christmas. But when their path is blocked by ice, the girls take a detour. What started as a steep slope quickly becomes a sheer cliff - with Sonja clinging to the rock with just her finger tips. Returning to the trail is no longer an option as the girls fight to survive on a tiny rock ledge in torrential rain and wind. Will Sonja and Marni be able to climb their way to safety?

Twenty five year old nurse Linda Forney and her pet dog Cocoa Gin set off to explore one of the seven natural wonders of the world - the Grand Canyon. On route to a native Indian village she takes a wrong turn and ends up lost, alone and with no food or water. Totally disoriented Linda hikes deeper into the maze of sub-canyons that make up the Grand Canyon. With temperatures exceeding 100 degrees and surrounded by exotic and dangerous wild animals, Linda finds herself in a real fight for survival. After weeks of little water, dehydration and starvation start bring her close to death. Then she finds herself trapped in a canyon, with no way out.

Steven Callahan departs from El Hierro in the Canary Islands, in Napoleon Solo - a sloop he designed and built himself. He's bound for Antigua as part of the Mini Transat 6.50 single-handed sailing race from Penzance, England. One night a ferocious storm severely damages his boat. He escapes the sinking vessel in an inflatable life-raft, nicknamed Ducky, with a meagre supply of food and water. For 76 days he is adrift in the Atlantic Ocean at the mercy of the currents and winds. During his ordeal he is battered by the elements, attacked by sharks and plagued by constant punctures to his raft. It's an epic story where one man's will to survive is put to the ultimate test.

Two teenagers plan on going fishing in a less than seaworthy boat when a riptide drags them into the Atlantic ocean. They face extreme dehydration, hunger, and weather for 6 days while awaiting rescue.

An 18 year-old elk hunter in Montana is seriously injured by a bear and must spend a night wandering the wooded mountain area in search of help before his injuries claim his life while his parents search for him.

Divorcee Mathew McGough is taking his five-year-old daughter Shannon for an overnight camping trip to Wallaroo Rocks, deep in the Western Australian Outback. It's Mathew's last chance to spend time with his daughter before he packs up and moves to South Australia to start a new life, so he's keen to make it a trip to remember. When Mathew takes a wrong turn it triggers a sequence of disastrous events that puts both their lives in serious danger. After 8 days in the outback Mathew is on the verge of death and confronted with an excruciating dilemma - kill his young daughter, or leave her to face a painful death alongside him, in one of the world's most hostile environments.

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.

A man drives his quadbike in the Canadian Wilderness, loses control of it and he and the quadbike topple over and he ends up getting his legs get crushed by the quadbike and survives for 4 days.

Lifelong friends Joseph Rangel and Lorenzo Madrid, both in their 50s, sign up for a five-day sport fishing trip in the Sea of Cortez. On their final day of fishing the two Americans and their Mexican guide Pepe are shipwrecked on a remote and hostile desert island. With no sign of a rescue mission and little in the way of food or water the three men are in dire straights. Their only hope of survival is to embark on an epic 12 day journey to the northern tip of the Island where they hope to attract the attention of passing fishermen. But the extreme heat and unforgiving landscape exacts the ultimate toll ... not all of them make it out alive.

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-time adventure racing world champion Danelle Ballengee suffers a pelvis-shattering 60-foot fall and 2 nights in sub-freezing weather in a Canyon near Moab, Utah, accompanied only by her dog, Taz.

A father and son on a hunting expedition in Kyrgyzstan are caught in a blizzard, and the rescue helicopter sent to retrieve them crashes.

On the final leg of an amazing two year sailing voyage, the Silverwood Family hit some stormy weather 180 miles west of Bora Bora in the South Pacific. It's no big deal, until a broken mast pin and a submerged rocky reef suddenly turns their adventure into a potentially deadly one. As the mast snaps, it falls on dad John, severing his leg. It's up to teenage son Ben, to become the man and help to save his family. He gets the family off the sinking boat, but as they spend a terrifying night on a reef in the middle of the ocean, will rescue get to them before Ben's father dies of blood loss?

Two close friends head for the Amazon rain forest and get lost in the jungle. They have to survive the dangers of the jungle and hold on to sanity as they find their way home.

A solo hiker in the Carpathian Mountains breaks his hip and femur when he is crushed by multiple avalanches.

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.

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.

Businessman and entrepreneur Dewey Gaedcke decides to check out the spectacular Kilauea Volcano, driving down a secluded local road, before hiking through the dark to a viewing spot. But in the dead of night, becomes disorientated - in the heart of a 330,000-acre national park, covered with deep craters, steaming volcanic vents and crusty lava fields. Dewey is faced with a five day battle to live in this arid, lunar landscape.

Two friends go kayaking in the Strait of Georgia. When the tide comes in, one friend falls from his kayak and fears that he will end up in the Pacific Ocean.

Four men fight for their lives against the very animals they have dedicated themselves to protect.

In January 1999, Jamie Andrew and his friend Jamie Fisher are trapped on a ledge in the French Alps when a surprise snowstorm blows in.

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 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 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.

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.

Charlie Hench has set himself a big challenge before he turns the big 50 - to fulfil his dream of a late-summer solo hike through the Sierra Nevada Mountains. But he underestimates the challenge ahead. Charlie is at 9,000 feet when an early snowstorm suddenly blows in. The amateur hiker is soon out of his depth, lost in the snow-covered landscape. A missed step on the treacherous boulders and he's crashes over the side of the mountain. Only a ledge, the size of a car bonnet, saves him from falling 500 feet to his death. Charlie is trapped and badly injured, with a shattered wrist and fractured spine. He's alone and there's no way up or down. He knows no-one will even know he's missing for days, but will he survive trapped on the exposed on the side of a cliff?

In the summer of 2010 Texan Gary Nall and his friend Dave Akers take a trip in Dave's Cessna to the Knick Glacier deep in the Alaskan wilderness. Out of the blue they hit a pocket of turbulence and crash land into the mountainside. Seriously injured and stuck in the middle of bear country the two friends face a fight to survive.

Skipper Steve Conway, safety officer Roger Stone and four student sailors are competing in a 4 day, 600 mile yacht race from Texas to the Gulf of Mexico. But in the dead of night and just 60 miles in, their 38ft yacht, Cynthia Rose, springs a leak and capsizes. What began as a fun-trip has just turned into the men's worst nightmare. Roger and two students are trapped inside the capsized boat, whilst Steve and the other two students have been thrown overboard into freezing shark infested waters. Only five of the six men survive.