Informer 3838 will tell the story of how Nicola Gobbo had the ultimate trust of Melbourne's underworld and was gangland's go-to defence lawyer, rubbing shoulders with the likes of Carl Williams, Tony Mokbel, the Morans, the Carlton Crew and Roberta Williams. While Nicola knew the underworld's dirty secrets, they had no idea of hers. This explosive drama is the untold story of how one woman's secret double life helped to fight the Melbourne gangland wars and trigger a Royal Commission. Throughout the gangland wars Nicola Gobbo was the ultimate double agent. Against all the rules, she was betraying her clients to the police while defending them in court.