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.