Four young heroin addicts scour the streets of Melbourne in search of some good-quality narcotics - or as they call it 'pure shit'. In the space of 48 hours a friend dies of an overdose they are ripped off by criminals and arrested and assaulted by police. They bungle a break-in get chased by hooligans and one is sent to a methadone clinic. The search for drugs veers between farce and tragedy but it never stops.