Its August 1965 and Los Angeles is scorching. Americo Monk, a street-haunting aficionado of graffiti, is frantically trying to return home to the makeshift harbor community (assembled from old shipping containers) where he lives with his girlfriend, Karmann. But this is during the Watts Riots, and although his status as a chronicler of all things underground garners him free passage through the territories fiercely controlled by gangs, his trek is nevertheless diverted.