Carl Williams is caught red-handed whilst double-crossing the fearsome Moran brothers; the underworld is in an uproar over the mystery source of cheap drugs; a kidnap goes terribly wrong, from farce to disaster, when nobody wants to pay the victim's ransom, which only adds to the tension.

Carl Williams begins his deadly revenge on the crime-controlling Carlton Crew, and tries to increase his ever-expanding grip over the Melbourne crime world; whilst Jason Moran is in jail, his brother Mark takes control of the family business; Detective Steve Owen is determined to prove an underworld murder.