Every day on our streets brutal wars are fought between powerful crime dynasties. Murder, intimidation and extortion.... Just another day in the office for these gangs, fiercely protecting their multi-million dollar businesses. Gangs of Oz is a 5 part docu-drama series looking at different criminal gangs operating in Australia over the last few decades. Each episodes examines the "families" of crime, that operate with a deadly code of loyalty and secrecy.