Water Rats is an Australian TV police procedural broadcast on the Nine Network from 1996 to 2001.
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.
An abandoned ship arrives in Sydney waters from Thailand. It's a Marie Celeste-style mystery - except for a dog on board, some scorched bones and a heap of ashy remains.
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.
A load of Scotch has been stolen from the wharves and a night watchman killed. Tommy's father is embroiled in a row with a rival fishing family. The water police investigate the death of a recreational diver and assume it was an accident, while the insurance company claims it was suicide.
Billy Pope's girlfriend is found murdered on the eve of giving evidence in a enquiry into police corruption. It's payback time for the Rispoli family whose lives were cut by the police.
A Vietnamese family are the victims of a robbery and their son has been kidnapped. The search for the kidnappers is complicated by the fact that the US President is visiting Sydney and the Water Police are on full security alert
Holloway is caught on film collecting an envelope containing a large amount of money that has been left in a waterfront warehouse. Internal Affairs accuse him of taking a bribe but Holloway explains that somebody has been leaving him envelopes all over town with tip-offs inside. This is the first time there has been money.
Rachel Goldstein and Frank Holloway investigate the disappearance of a teenage girl they believe has been murdered by her father. However, it is a race against time to find enough evidence to stop the man from leaving the country. Meanwhile the wife of the man who interviwed Clarke Webb on radio goes missing.
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.
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.
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.
A man is killed when a speed boat is deliberately driven into the back of his vessel. A friend who was with him at the time identifies the person responsible as a well-known crime figure and an old enemy of Frank's: Marty Miller (Peter Kowitz). Sykes takes part in a training course for police divers. Goldie and Knocker seem to get along very well, and a vietnamese cleaner, Thong, is found dead at the Water Police headquarter.
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
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.
Dave McCall is sympathetic towards the wife of a suspected serial murderer...until Knocker gets proof that she was involved. Goldie tries to help a man found covered with blood hiding in a warehouse, only to find out he'll talk to no one but Holloway, who is still on sick leave.
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.
Holloway finds a new lead on Kevin's murder after a young robber is caught with Kevin's missing gun.
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.
Detectives discover two people who died of carbon monoxide poisoning, they suspect a connection to the activities of Asian gangs. Frank and Rachel gets help from an Asian crime specialist from Task Force Oak. Rachel and Knocker announce their engagement.
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.
When Megan, an anonymous witness to Kevin's death is killed, Brady and Holloway search for other people who may have seen what happened. Meanwhile, Goldie and Knocker investigate a murder in a park. The Nemesis crew have to supervise a photo shoot for a world-famous model
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.
