A mutilited body is found near a church, with identical markings to the victims of a serial killer 15 years ago- Thorne's first case. Experiencing a sense of deja-vu, Thorne heads the investigation. Has the killer returned, or is this a copycat crime?

Steve and Tessa investigate when a young woman is found hanging from a tree limb in a popular city park, and Tootsie's preliminary findings indicate it was not suicide.

A busker suffers from hallucinations while performing mime outside a train station. When he collapses and dies, Tootsie's autopsy points to poisoning.

At the opening night of his exhibition, artist Vincent Osborne's head is discovered inside his own death mask.

A woman is ripped to shreds by savage dogs on the grounds of an empty house. Steve and Tessa must determine whether her death was an accident, or if the dogs were trained to kill by someone with a grudge and a vicious streak.

Tessa and Steve investigate what appears to be a routine case, but soon uncover a dangerous web of blackmail and righteous fanaticism.

Following the suspicious death of an elderly worker, Tessa and Steve must race against time to avert another tragedy growing from the ruins of the first.

Tessa and Steve uncover a web of intrigue surrounding businessman Brian Hart's horrific death when he is killed as he commutes to work by train when a letter bomb concealed in a card explodes. Tessa and Steve are confronted by a bewildering array of suspects and motives to finally apprehend the person they believe to be the killer, only to realise at the last moment that they only have it half right.

Tessa and Steve investigate when a psychic conducting a séance in a storm-swept house is shot dead by the ghost of the man he was trying to contact.

The cleaner at an up-market beauty parlour makes a gruesome find — the proprietor strung up in a tanning booth and roasted like a pig-on-a-spit. Tessa and Steve's investigation uncovers a wealth of secrets and resentments harboured from birth.

A sports teacher is found impaled at a boarding school and is found by Fisk's older sister. Tessa and Steve investigate, but Fisk is frustrated when his sister is interviewed, and he is excluded.

As a crypt is opened for an interment, the funeral goers are shocked to discover the sarcophagus already occupied by the corpse of a young woman holding a rare orchid in her hand.

Tessa and Steve investigate when a young blind man is found dead in a swimming pool.

When a woman is found murdered in a neighbourhood that is terrorised by a local gang, Steve and Tessa are called in to investigate.

Tessa and Steve investigate a murder where nothing is as it seems.

A man's body is found floating in a spa, a large roll of cash stuffed into his mouth. Steve and Tessa discover that almost everyone who knew him had a reason to kill him.

While attending a school reunion, Tessa is called to a homicide on the school grounds. The victim is one of her friends — stabbed in a reenactment of a Muckup Day prank, leaving Tessa as either a suspect, or another possible victim.

A vagrant is found dead at an inner city underpass surrounded by the corpses of poisoned sparrows. When Tootsie diagnoses death by strychnine, Tessa, Steve and Thorne fear that someone is out there trying to purge the streets of the homeless. But the investigation takes a twist after Fisk finds $10,000 hidden in the vagrant's mattress.

When horror novelist Sebastian Tombs is found lying dead with a knife in his back, Tessa and Steve must investigate the four people closest to him, each of whom has a strong motive for committing the murder.

Tessa and Steve are called in to investigate a series of murders revolving around a prominent bio-chemistry lab.

A man out for an early morning surf gets more than he bargained for when surf blows a corpse out of the water and into his face. It appears to be a routine investigation, natural causes being indicated... but complications arise when Tessa and Steve find they cannot identify the victim, and no-one steps forward to claim him. Surely someone should be missing a well-groomed man in his fifties?

Late night. A voice recites limericks on a moonlit beach. Suddenly, all goes quiet. A grey dawn, and a dog and its owner, the stern Major Richter, make a gruesome discovery - a human head attached to the very dead body of Adrian McCafferty who is buried up to his neck under the sand. Adrian drowned when the tide came in and covered him. Tessa and Steve learn that there was a beach party last night. Adrian was buried as part of a joke. Is his death simply a stupid party prank gone wrong, or is there something more sinister to discover?

Wheelchair bound Spinner congratulates himself on finishing a piece of artwork by pouring a cold beer and logging on to his favourite internet games forum. His pleasure is short lived, however, as a shadow falls across him and a lead pipe takes him out of the game... permanently. Tessa and Steve arrive on the scene to find the killer has taken the time to send the message ""Spinner Resigns"" over the internet to the victim's games partner. The murder takes on new importance when Dee reveals she knows the victim. While Dee tries to come to terms with her friend's murder, Steve and Tessa struggle to put together the pieces of the puzzle.

While investigating a series of bizarre murders, Steve and Tessa are drawn to the local community centre, a drop in for former mental patients. With a handful of suspects, but no real clues, Steve and Tessa must race against the clock to find the killer before he strikes again.

To the outside world former football star Robin Cochrane was a picture of charm, but when he is found poisoned by a chemical solvent, Tessa and Steve are forced to put together a picture of the not so pleasant private life of Robin Cochrane.