The series resumes on a spectacular note with a helicopter crashing into an overcrowded pleasure boat. The fatality list is long but two survivors are trapped on the sinking craft unable to be moved. Meanwhile, on shore, Mary Coustas (without the Effie frightwig) is a troubled survivor and knows more than she is saying. There is a scramble for clues as the detectives Jack Christey and Alex St Clare track down the cause of the chopper's crash and ponder why the pilot has a bullet wound in his neck. It's a good yarn and the drama, as Tommy Tavita and his mates work to save the trapped souls, is tense.

A torched yacht, two bodies, two men missing. Who is dead, who is alive and who did it?

Christey's gun is stolen from his house. An ex-con is found, shot dead by a police revolver and Christey is set up as the prime suspect for murder.

A power struggle within Charlie Driscoll's crime empire makes Christey a marked man.

Alex's belief in the innocence of a serial arsonist leads her close to a fiery death.

A former lover of Alex's becomes a suspect in a murder investigation and, after Helen Blakemore is forced to fire during an armed robbery, she finds her career on the line as Internal Affairs investigate.

Alex deals with the consequences of sleeping with Matthew Grierson, as the protest against the Marina development continues. Blakemore's career is in jeopardy when she is investigated by Internal Affairs.

The detectives are devastated when their scepticism about a woman's paranoid claims lead to a tragic killing.

ASIO enlists a couple of the Water Rats in a covert operation which causes Reilly to become the victim of an amorous spy and Sykes' love life gets him into very hot.

Jack and Alex are lead round the mulberry bush by a smart alec killer while the ASIO operation comes back to haunt Sykes and Reilly.

Detectives St Clare and Reilly investigate the murder of a restaurateur where their only witness is a ferocious dog.

Alex and Mick must stift through a maze of suspects and motives to solve the murder of Cosimo Luvece.

Christey feels responsible when a grieving woman, who's brother was killed in an armed robbery, takes the law into her own hands and holds him and a suspect hostage.

Quinn and the Water Police are devastated when a young woman dies at the station; and, the detectives search for a kidnapped six year old girl.

Reilly's life is on the line when he backs a street kid suspected of murder.

While recovering from a gunshot wound, Reilly finds his missing wheelchair occupied by a mummified body.

Quinn's attraction to a young woman lands him in hot water during a murder investigation.

Alex personal life throws her off balance leaving Christey and Reilly to solve the brutal slaying of a security guard.

What appears to be a simple mugging of a homeless woman, leads the Water Police into a confusing murder case and a threat on Alex's life.

A murder investigation leads Alex, Christey and Reilly to explore on-line relationships; and, Sykes dreams of becoming a detective.

A drug importing deal goes horribly wrong when a small time crim tries to implicate a notorious crime identity; and, a young woman appears claiming to be Christey's daughter.

A drug importing deal goes horribly wrong when a small time crim tries to implicate a notorious crime identity; and, a young woman appears claiming to be Christey's daughter.

Hawker becomes an unwitting accomplice to murder when he tries to help a friend; and, a young street kid becomes the prime suspect when his pregnant girlfriend is found murdered.

Two halves of a body don't add up for Reilly and Alex. Hawker discovers the reasons behind the murder of Annie's father.

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.

Distraught father and hard-nosed detective battle for supremacy when Jack Christey tracks his daughter after she's taken hostage by a prisoner on the run.

When constable Matthew Quinn takes the law into his own hands, he ends up in trouble with his girlfriend, local cops and Hawker; and, Christey, Alex and Reilly face quandry when they track a young woman on the run.

Alex confronts her prejudices when she thinks they have uncovered a ritual killing by a religious cult.

A water police operation on a container wharf results in a death, leaving each of the Rats to deal with their culpability and guilt.