In the midst of investigating the murder of a Serbian car salesman, Malik's obsession with the past deepens. Malik seeks to prove that John Hunt was once an armed robber, and the man who shot his father. But this is contrary to the evidence. Is Malik going mad? Can he find the evidence that will prove Hunt's guilt? And why is Crowley obstructing him? Is it sheer bloody mindedness or is there a reason? Malik, Koa and all at Major Crime, work to solve the mystery behind the Serbian killing. The detectives discover that the car salesman is not as respectable as he appeared. Has his dark past something to do with this death?

An ambulance officer is stabbed to death by a kid in an Ice induced rage. When Detective Sonny Koa delivers the death knock, he bonds with the dead man’s Maori family. Sometimes in a detective’s work, the break comes from left field. In investigating the Ice racket, the detectives find a link to the stolen arms that killed the NSO agent in a car bomb. But can Malik convince his imprisoned target, Akmal, to help?

Akmal is killed in prison. Malik is determined to find out the truth behind his murder and the murder of NSO agent. Going to Canberra with the widow of the NSO agent leads Malik to an old foe. But his absence causes problems when the squad investigate a mysterious crossbow killing. Inspector Wright juggles professional and personal problems, as her own brother is the target of a intended hit.

The shooting of Inspector Patricia Wright’s brother unites the team at Major Crime. Can they bring the killers to justice? While the detectives gather together to help their boss, a respected transplant surgeon is murdered. Malik’s wife, fed up with his obsession with work, leaves with their children.

Mere Hahunga has problems with her youngest son, Sam, and enlists Detective Koa’s help.

Sam, is going off the rails. Mere pleads with Koa to save him. But can he stop a youth determined to be self-destructive?

Sam is involved with Ned Reweti, a Maori gangster. When Koa realises Sam is involved in a violent robbery where a security guard is bashed, Koa knows it may not be possible to honour his promise to Mere.

Koa is treading a fine line between his obligations as a cop and his obligations to his community. He attempts to steer Sam into safety by getting him to help with the investigation. Sam refuses to dog on Reweti, and Koa finds evidence another way.

Reweti believes it was Sam who rolled on him and exacts revenge in mistaken retribution. Koa has managed to keep his promise to Mere. He saves Sam, but at what price?

Detective Zane Malik is focussed on getting the armed robbery gang. But they prove elusive and strategic. His frustration mounts when Kimberly, the insider, is killed in a cruel execution. Were they worried she talked to the police?

Malik is determined to shut down this ruthless gang. He confronts Hunter with the details of Kimberley’s death in order to try and get him to roll on the gang. Hunter knows the truth. But he’s not sharing.