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

Knocker is finally caught in his own deadly web. Frank informs Goldie of Knocker's involvement in Kevin's death but she refuses to believe him until Brady shows her the evidence.

The surviving Rats swear revenge for their fallen comrade!

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

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.

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

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.

Jack believes he has discovered the identity of Goldie's killer, but his only clue may just slip through his fingers.

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.

The death of a friend and a forgotten dream prompt Frank Holloway to farewell the Rats.

Jack hands in his badge and turns vigilante in order to find Goldie's killer.

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

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

A grisly case hits home when Jeff Hawker's wife, Gail, becomes the target of a vicious serial rapist and killer.

Jack fights to save the life of an undercover cop, Alex St Clare whom he suspects is emotionally involved with her target.

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.

Kevin Holloway's car is found still with the keys in the ignition at The Gap - a notorious suicide spot. Meanwhile Goldie is served with court papers seeking to cut off all access to her son David.

As Chief Inspector Webb and Knocker Harrison continue investigating Kevin Holloway's disappearance, Frank is angry he ever allowed himself to believe his brother may have suicided. There's a grim discovery in the harbour of a number of body parts. Jeff Hawker doesn't like the relationship between Cassidy and Watson, and offers Cassidy a job as supporting officer, on the condition that she ends her relationship with Watson.

A hostage is taken and there is a high speed car chase : Marty Miller makes a final stand against Holloway. Internal Affairs suspects Helen of selling information that led to an elderly woman's death. The accusations against Helen makes things bad between her and her lover Anne Harvey

Inspector Webb is slow in coming forward with information on the death of Moira Randall as he doesn't want his affair with her uncovered. The Nemesis crew is kept busy by a group of drunken university students on Shark Island. Hawker tells Helen that he will apply for the post as Chief Inspector if Webb has to leave. He's surprised when Helen says she also will apply for it.

Harrison and the divers are called in when the body of a boy is found in similar circumstances to the other murdered teens. The detectives wonder if they arrested the wrong man.

Attending a bushfire at a coastal national park, the Nemesis crew notice bloodied tracks in the sand and find a man digging a body in a shallow grave. Harrison is called in to negotiate with a potential suicide. Frank and Brady investigates Harrison. Brady believes Harrison has something to do with the death of Kevin Holloway.

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.

What starts as another ordinary day at the office ends in the death of a Goldie a much loved rat.