This movie kept me glued to the screen for its entire (albeit short) 55 minute running time. Interviews with a core group of big wave surfers are interspersed with shots of them and others riding the waves at Maverick's. There is a lot of footage of waves that are absolutely unrideable also. The music by the Mermen is a big factor with its edgy, driving "surf" sound.
There is discussion of whether big wave contests are a good idea or not, and about the dangers and thrills of riding these waves, but the best thing about the movie is its footage of the monster waves themselves. Awesome!