A documentary on the history on mankind's attempts to reach high speeds. Starting with the invention of the bicycle, going on to sports cars, cars with jet engines, rocket-powered cars, attempts to break the sound barrier, and rocket-engine airplanes. Each achievement is documented by title card indicating the speed reached in miles per hour.

In 1966, John Harlin II died while attempting Europe's most difficult climb, the North Face of the Eiger in Switzerland. 40 years later, his son John Harlin III, an expert mountaineer and the editor of the American Alpine Journal, returns to attempt the same climb.

A journey into the lives of a mother polar bear and her two seven-month-old cubs as they navigate the changing Arctic wilderness they call home.