In a Japanese-American family, the mother is stealing the terminally ill grandpa's morphine, the airhead sister is having sex with the family lawyer, one brother gets perfect grades but is hiding a secret gay love of skinheads, and the other brother is a junkie. Over the course of one evening, the family falls apart due to their bizarre behaviour.

Teenage London is trying to find meaning in the world, or a leather jacket of her own. Unaccepted by neither the Mods or the Asian biker gang, she tries to find her own path. Meanwhile, the two gangs maintain a mutual vendetta sure to erupt in a smorgasbord of violence.