'The Pettingill crime family was almost off limits to police. Two sons of the notorious Kath 'Granny Evil' Pettingill had been acquitted of killing two young policemen in the Walsh Street outrage, and so any attempt to pursue them would not only be dangerous but easily portrayed as persecution.
'Along comes undercover cop Lachlan McCulloch. Through a chance encounter with an underworld insider who knew the drug-pushing Pettingill crew, Lachlan McCulloch had the opportunity to infiltrate them. Senior officers knew they were sending him into danger - but the chance was too good to miss.'
Source : publisher's blurb