Invisible (2005)

After the crumbling of the Soviet empire, heroin flooded the streets of many cities behind the former Iron Curtain. It offered an alternative lifestyle largely unknown until then. In the late 1990s heroin addiction in Eastern Europe had reached epidemic proportions. Invisible takes place in Sofia, Bulgaria and follows a group of six young people on a three year journey through the highs and lows, dreams and tribulations of life with heroin addiction. (imdb)