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.

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 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.

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.

The working relationship between Jack Christey and Goldie gets off to a rocky start. Already compromised by their past affair, further strain is added when Jack insists on taking the lead in a murder case involving an old acquaintance.

Police constable Tayler Johnson becomes romantically involved with a cop on a diving course, but while out on a dive, he goes missing and Tayler realises how little she knows about him.

Jack Christey and Rachel Goldstein race to save two young girls whose lives are at stake when they inadvertently become caught up in a drug smuggling ring.

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

When a young boy's dead body is found, Goldie and Jack have to prove who is responsible before an enraged local community exacts their own just on the main suspect.

Goldie and Jack are kidnapped and hunted like animals by a murderer who sees his victims as prey.

The surviving Rats swear revenge for their fallen comrade!

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

Christey is reacquainted with his estranged father and discovers he is involved in a dangerous scam.

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.

Donna is taken hostage by a convicted killer. Alone, she is forced to rely on her wits and her training to save her life.