Complex sentence: There they meet some local girls, attracted to the "punks" from the ghetto, but the day quickly goes bad as they're hassled by rich boys from the neighborhood and rousted by the Beverly Hills Police.
Split into simpler sentences: There they meet some local girls, attracted to the "punks" from the ghetto, but the day quickly goes bad. They're hassled by rich boys from the neighbourhood and rousted by the Beverly Hills Police.