The brutal slaying of a respectable middle aged Vietnamese couple in Cabramatta is carried out amidst the stress of the Internal Affairs investigation. This time it's Malik in the hot seat. Whatever he says to I.A. will affect Crowley's future. Meantime, Malik and Koa try to work out who killed Mr and Mrs Ngo. Mrs Ngo was a difficult wilful woman who liked everything her way. Mr Ngo was a community minded man. Was the killer their own son? He stands to inherit the family wealth. The press reveal that several years back Mr Ngo was a witness of a gangland murder by the notorious Black Dragon street gang. Is this connected?

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?

Hunt is missing. HQ received a panicked call from a woman accusing Malik of killing him. Is he dead? And is Malik reponsible? When Hunt's body is found in Chinatown Crowley is dismissive - Malik's quest is over. Malik disagrees, Hunt may be dead but his quest for justice remains. Whoever killed Hunt took away the satisfaction Malik might've found in a lawful outcome. But Malik's determined to track down Hunt's killer. He finds the woman who called HQ. Celia Cho, is the daughter of Bruce Cho, a leader of the SW Crime Syndicate and the mother of Hunt's son. Bruce Cho hated Hunt. If he is the killer, proving it, in a world where everyone is afraid to talk, will not be easy. The closer Malik gets to the truth, the more dangerous he becomes.