From the window of the small floatplane, fifteen-year-old Gabe Rogers is getting his first look at Canada's magnificent Northwest Territories with Raymond Providence, his roommate from boarding school. Below is the spectacular Nahanni River--wall-to-wall whitewater racing between sheer cliffs and plunging over Virginia Falls. The pilot sets the plane down on the lake-like surface of the upper river for a closer look at the thundering falls. Suddenly...

Fifteen-year-old Jessie and the other rebellious teenage members of a wilderness survival school team abandon their adult leader, hijack his boots, and try to run the dangerous white water at the bottom of the Grand Canyon.