Underbelly: Barbarians at the Gate

Carl uses his high media profile to accuse Detective Steve Owen of corruption; Graham "Munster" Kinniburgh is gunned down and Mick Gatto tries to convince Carl Williams to end the gangland war; "Benji" Veniamin agrees to kill his former mentor Mick Gatto, but it's Gatto who lives to tell the tale; Carl and Roberta are rocked by the death of their closest friend.