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 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.

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.

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.

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.