Part sports history, part thrill ride, skateboarder Stacy Peralta's documentary pays homage to the brave, foolish surfers who dare ride the world's biggest waves. Peralta lays out the evolution of big-wave surfing from the '50s to today, touching upon changing trends and the constant search for ever larger waves. Then he shifts his focus to a handful of contemporary surfing superstars, among them Jeff Clark, pioneer of San Francisco's remote waves, and Laird Hamilton, known for tow-in riding.