Trying to prevent a full-scale turf war comes at a heavy price for the Rats.

In retaliation for two Rats, Jack Christey sets the cat amongst the pigeons with even more devastating results.

After Holloway discovered who killed Sam Jones, decides to set himself up as bait in an attempt to catch the killer. Rachel has an important decision to make regarding her future when Michael proposes-her lover or her partner. Police boats Nemesis and Harpy respond when a fishing boat capsizes.

Hawker remains the professional police officer, even when he is targeted by a criminal. But when the vendetta involves his son, Hawker shows his true colours.

Alex and Mick race against time when someone is distributing guns that are rigged to explode when fired.

The new boy at the Water Police, Gorgeous George Newhouse is making waves with the women, but Christey is not impressed.

Haunted by the brutal murder of a teenage girl, Alex puts her life on the line to identify the murderer; and Reilly wants to know where he stands with Alex.

Alex and Mick investigate the case of a four year old boy found at the bottom of the harbor.

The Rats are caught off guard when they're ambushed on the harbor while transporting a wise-cracking prison inmate. When the getaway plans of the escapee and his girlfriend unravel, they take Christey and his daughter hostage.

Alex and Mick chase a triple killer through the streets of Sydney.

Rachel has difficulty adjusting to her new partner when Frank goes on an overseas attachment. Rachel and her new partner are thrown together to investigate a mysterious drowning. Constable Sam Bailey competes in a free dive competition.

When Goldie and Tavita arrest Dave McCall's son and charge him with the supplying and trafficking of illegal drugs, the pressure of home and work life gets to Dave. A quantity of explosives are used in an attempted bombing of the harbor tunnel.

Christey's daughter is given a brutal introduction to the realities of police work, while the death of a girl in a hit-and-run jet-ski accident causes disturbing memories to resurface for Alex.

Tony Brady from Internal Affairs investigates Frank after a petty criminal accuses Frank of assaulting him while in custody. A series of safe robberies in which evidence at the crime scenes points to inside jobs gets investigated by Frank and Rachel. Tayler and Tavita looks after two precocious children when their parents are arrested.

Frank becomes the prime suspect when Sam Jones is murdered. Goldie and Holloway investigates the disappearance of a young barmaid, last seen alive by Tayler.

Franks second ex-wife, Liz Robinson, seeks his help and protection from a blackmailer who has photos of her having cocaine snorted from her naked belly. Tayler Johnson and Gavin Sykes have to deal with some prisoner escapee.

Liz is almost run down in front of Frank, and fearing for her safety following her husbands murder in prison, he suggests that she stay with him. Tommy's relationship with Rhonda comes to a tragic end.

After Frank takes time off Rachel is stuck with Jack Christey trying to catch a rapist. Dave McCall and Tommy Tavita go on a rescue operation on the white water rapids.

As the armed robbery gets closer, Holloway's undercover operation becomes more and more dangerous. Despite police's ongoing investigation, Les is granted bail and threatens to blow Frank and Louise's cover. Frank is forced to act as the getaway driver during the robbery but a sudden change of plans throws off the police surveillance unit and places Frank's life in jeopardy.

Chief inspector Jeff Hawker finds himself in the firing line when ballistic tests prove his gun was used to kill Vince Blake eight years ago. Goldie and Hawker work together to clear his name. Tavita finds himself in the middle of a dispute at the site of an archeological dig.

Investigations into an armed holdup incriminate police when witnesses recount how bandits were disguised in police uniforms and escaped in a police car. Helen Blakemore comes under suspicion when it's revealed she is one of only two people who can access spare uniforms and she could do with extra cash after buying a new home.

Distraught father and hard-nosed detective battle for supremacy when Jack Christey tracks his daughter after she's taken hostage by a prisoner on the run.

A runaway yacht, a missing child and suspected multiple murders set Alex and Christey down the wrong path, where they uncover a plot to poison Sydney Harbour.

After a shooting on a Harbour wharf, the Rats discover a love triangle of Russian immigrants and a Cold War in sunny Sydney.

Alex and Mick try to solve an old burglary and murder whilst battling a retired cop seeking redemption for years of humiliation.