Antoine Montant, Francois Bon, and Hervé Cerutti aspire to integrate climbing, flying, and skiing in the sport of Speed Riding. The athletes challenge the mountains of the French Alps near Chamonix. Antoine, named the fastest speed rider, encounters an avalanche. The three athletes attempt to conquer one of the most famous and dangerous walls in the Alps. Antoine then takes on a riskier line and tempts his fate.

Skiers scope out steep mountain faces, kayakers seek monumental waterfalls and bikers plunge into dense forests all in search of the extreme landscapes that provide the perfect line.

Professional skiers James Heim, Mark Abma, and Eric "Hoji" Hjorleifson go ski touring in search of big mountain back-country powder they call "Epic Pow". With bare necessities the athletes survive in huts of the British Columbia mountains. They ski a variety of terrain including pillow features and spine zones.

In British Columbia, pro freeskiers Eric Hjorleifson, James Heim and Ingrid Backstrom seek a vast, isolated landscape with steeper lines where they can push the envelope of their sport.

Defined by bigger lines and steeper faces, extreme skiing is a sport where the slightest mistake could be fatal. Pro skiers Chris Davenport and Stian Hagen sit down with extreme pioneer Sylvain Saudan.

Haines, Alaska for professional skiers is considered The Dream Trip. Big mountain skiers Daron Rahlves and Henrik Windstedt challenge their skills when they decide to run a line together. Ingrid Backstrom, JT Holmes, and Shane McConkey face dangerous weather when they arrive in Haines. Mark Abma and Eric Hjorleifson lead the young talent of Sean Petit on a first time heli trip.