Art aficionado and filmmaker Reid van Renesse focuses on graffiti and other street art in this sweeping exploration of contemporary urban painting. In interviews with some 30 artists, Van Renesse highlights their intriguing underground culture. Painters, photographers and others -- including Sam Flores, Andy Mueller, Ricky Powell, David Choe, Dug One and Tiffany Bozic -- discuss their creations, their motivations and the state of art today.