PART 7 OF THE GRIPPING CRIME SERIES 'WHEN DUTY CALLS', 'KNIFE EDGE' RATCHETS UP THE TENSION STILL FURTHER... Two cannisters of nuclear waste bound for the newly developed storage facility in northern Victoria have been hijacked by the Ndrangheta, a lethal Mafia-based crime syndicate. In direct opposition to this group, The Board, a Russian criminal organisation with links to the Kremlin, has attempted to blow up the storage facility, resulting in the deaths of a number of guards. Determined to bring the cold-blooded killers of both parties to justice, Homicide detectives, Michael Ballard and John Henderson, along with their Serious Crime Taskforce Commander, Peter Henderson, find themselves pitted against Igor Greshnev, The Board's master criminal. They soon realise the Russian is prepared to do whatever it takes to steal the cannisters from the Ndrangheta, all the while continuing with his objective of destroying the storage facility. The detectives' concerted efforts take them to Moscow where they discover to their horror that Igor is threatening to unleash horrendous repercussions on their loved ones and the general public back home should the officers continue to hunt him down.