Blakely's killer is finally revealed, but Janet discovers there's someone higher up pulling the strings - someone powerful and very close.

A sudden death, a false suspect and a shocking revelation from the witness box all conspire to block Janet's desperate search for the truth.

After the attempted murder of her family, Janet suspects that she has stumbled onto a wide-ranging conspiracy involving powerful and well-connected paedophiles, including Judge Renmark

Janet faces humiliation when Dianne Vasilich appeals against her conviction for murder. Her pursuit of corruption uncovers a shocking secret and sees Janet facing her greatest threat.

The search for the third man who assisted in the Blakely murder uncovers an unlikely ally for Janet and the scent of high level corruption.

Diane Vasilich finally breaks down and makes a statement but does not admit guilt in the Blakely case. A strange development in the Moreno case intertwines with Diane's involvement in the Blakely case. Erin deals with traumatic flashbacks and deliberates whether to testify in court, which could put her life in danger.

King's heavy workload forces her to spend more time away from her family. Erin and Owen try to coax a reluctant witness into testifying against a biker accused of murder. Without a body or a strong motive, the Blakely case stagnates until King's boss, Tony Gillies, pushes it to trial.

Senior Prosecutor Janet King returns from maternity leave to confront a high-profile murder, and a conspiracy which will have shocking ramifications throughout the judicial system.