In 2009, Swansea drug agencies reported a 180 percent rise in heroin use – a rise that was clearly visible on the city's streets.

That year, early one morning, a VICE documentary team met a young, homeless couple named Amy and Cornelius in a city centre alley. As heroin-addicted alcoholics, they were smack in the middle of two of South Wales's most ever-present epidemics, and it was through their story that we explored the two issues blighting young people in the area.