The Anti-Terrorist squad has the team quarantined until the substance that knocked out Felix can be identified.

A murder case that Spencer worked on whilst a policeman at the Atomic Energy Commission is under review.

Hunt is released and Boyd has him tailed. Under their noses, he drowns a girl at the local baths.

The cold case team discovers the existence of a former serial killer imprisoned for benefit fraud who is about to be release

Tony Greene is still incarcerated, so the hunt is on for either the real killer or a copycat who has knowledge of Greene's MO.

Grace, the forensic profiler who helped convict a man 30 years earlier, is targeted by a copycat murderer.

As the team collect the damning evidence their suspect disappears, as does his wife shortly afterwards.

A millionaire businessman is found dead one year after he disappeared, appearing to have committed suicide with pills.

Suspended following a hit and run offence, Boyd is tormented by the possibility that he has made a grave error. He is forced to delve into his past and examine his conscience.

Ex-cop Eddie Vine summons Boyd to prison, where he is serving life for murdering his partner and best friend Tom Palliser.

The shadowy figure of a corrupt businessman grows increasingly sinister as the team discover that he was manufacturing fake drugs.

A mummified body found on a derelict aeroplane leads the team to a similar case.