Melbourne standover men Brian and Les Kane have ventured into unfamiliar territory by providing protection for Bob Trimbole's Melbourne heroin dealers. But things turn sour when dealer Wayne Robb is robbed of $200,000 cash on the Kane's turf. The Kane's suspect it was Vinnie Mikkelsen and Laurie Prendergast, two of Ray Chuck's mates from the Great Bookie Robbery.

Brian Kane plans Australia's most audacious gangland murder to avenge the death of his brother Les. Meanwhile, Ray Chuck forms an alliance with Mark "Chopper" Read in a Melbourne jail. Also, aspiring hitman Chris Flannery finally gets his big break and Terry's growing drug empire is under threat from problems in Australia and Singapore.