Detective Sam Collins

After his wife loses interest in him, fifty-year-old Dave Barndon turns to the dark side of the Internet and sex chat rooms. There he finds willing partners who are happy to fulfill his needs with no strings attached. But they aren't the only ones looking to play. When a woman he had an affair with is murdered he becomes the prime suspect. He thinks his alibi is solid until a second woman is murdered, and then a third. He fights for his freedom and redemption while the body count rises. He must figure out who is framing him and why before the killer strikes again.

Nicky is sick of the violence he sees while driving a cab in the city. On the night of his brother Simon's eighteenth birthday, a gang senselessly beat him to death, and Nicky hopes to find the men responsible. Nicky rescued Didi, a dancer, from two attackers, and they became friends as kindred spirits who both suffered a tragedy. But they have secrets. Didi's secret is a daughter, and Nicky's is that he is the Northbridge Vigilante who has killed men as they carried out violent crimes. Nicky's last victim was the brother of a drug dealer, Jimmy Mallory, head of a powerful biker gang. The city explodes with gang warfare, fighting to control the drugs and nightclubs because of the murder of Mallory's brother. The police are closing in on The Vigilante, but so is Mallory, who will stop at nothing to get revenge. Nicky has found the love of his life and finally someone to live for if only he can stay out of jail, and survive.

Tammy and Greg meet at a party in the Perth hills and sneak away to a disused gravel pit to be alone. They are interrupted by two men burying something who then attack Greg and chase a naked Tammy throughout the night. She is found the next day, delirious and suffering hypothermia. She tells Detective Sam Collins and Jenny Markham what she witnessed and reports Greg's murder. But his body is found in a car wreck, and the crash report says he died because of alcohol and speed on a sharp bend. This casts doubt on Tammy's story and Sam wonders if she imagined the incident. Doubting the official crash report, he and Jenny investigate further and discover two serial killers, who have been burying their victims at the gravel pit, for seventeen years. Sam must lead a huge police task force to try find them before they kill again.