A horrific murder in Adelaide of a young woman appears to have ritual sacrifice overtones. Detectives Murnaghan and Rayner of the Australian Federal Police 'Trident' squad are sent to investigate. They pursue the killer through the wine growing regions and then to Sydney where a huge robbery and a terrorist attack is planned.
Terence Charles served in both an English and an Australian Police Force. During his service he gained experience with a number of departments, including being a police dog handler/trainer, a member of an armed offenders squad and a sharpshooter (police sniper) and as a detective.