15-year-old Tracey Berkowitz (Ellen Page) is naked under a tattered shower curtain at the back of a bus, looking for her little brother Sonny, who thinks he's a dog. Tracey's journey leads us into the dark underbelly of the city, into the emotional cesspool of her home, through the brutality of her high school, the clinical cat and mouse games with her shrink and her soaring fantasies of Billy Zero - her boyfriend and Rock 'n' Roll saviour. more