The Sydney Water Police investigate a fatal bombing on a charter ferry while trying to locate other explosive devices that may still be located in the harbour. The Nemesis crew scrambles to recapture a murder suspect who escapes custody. Kevin Holloway, Frank's younger brother, joins Homicide and is partnered with Frank's good friend Knocker Harrison.

A man claiming to have the missing bomb takes hostages on a passenger ferry. Frank and Rachel stake out a yacht to catch a scantily clad burglar. A diver dismissed from duty dives the site of the ferry wreck to locate the fourth bomb in order to eliminate the hijackers threat. Frank's older brother Jimmy is released from prison two years after Frank put him away as part of a drug bust.

A charter boat with children on board explodes. The water police speed to the rescue, but are too late to save a 13-year-old girl. The hunt is on for the arsonist responsible.

Tonight Goldie and Frank are looking for the Iron Man's murderer. the body of a champion Iron Man is found dead. The forensic examiner says he died of a heart attack, his body full of steroids. Frank's younger brother Kevin Holloway (Jeremy Callaghan) and ""Knocker"" Harrison :sists Goldie and Frank on the investigation. Meanwhile, a rich businessman is arrested by the ""Nemesis"" crew for being drunk while in charge of a motor launch with a party of Koreans on board. Helen's former lover, Julie Haynes, pays Helen an unexpected visit and asks Helen for a favour.

The woman whose boyfriend Goldstein shot dead is released from jail on parole and keeps turning up wherever Goldie happens to be. The boat crew takes too long to bring diving equipment to a sunken cruiser and two men are found dead.

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.

Frank and Goldie are whisked to a warehouse being used in the ongoing investigation into Kevin Holloway's disappearance. Goldie, Frank, Knocker and Brady search Pappas boat for narcotics. They suspect Pappas is involved in Kevin Holloway's disappearance. The boat crew accompany the Sheriff to a cargo ship that has docked.

The body of a teenage boy is found in the boot of a car. There are similarities between this murder and that of another boy 13 months earlier. Holloway makes it his personal quest to find the killer, and he meets a beautiful crime scene officer, Caroline Cox (Mary Regan). Goldie has been denied access to her son, David, for six months, and she does everything to get to see him. Gavin Sykes (Brett Partridge) investigates a boat accident.

Frank is rushed to hospital after he is shot in an armed hold up. Chief Inspector Clarke Webb meets an old flame, Moira who gives interesting information about the robbers. John Harrison confronts Goldie's ex-husband about giving Goldie access to her son. Jeff Hawker investigates a boat accident.

Chris Kollias, the man Frank suspects of knowing more about his brother's death than he's saying, goes missing. It seems Frank will be forced to give up trying to find out what really happened the night his brother was forced over The Gap.

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.

Goldie faces every mother's worst nightmare when her son David becomes the victim of a brutal and vicious kidnapper.

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

The surviving Rats swear revenge for their fallen comrade!