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?

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.

Steve and Tessa are baffled when former football star Wayne Pascall is found stabbed to death in a lift, with a missing woman's handbag next to his body.

When a professional stuntman is found dead, hanging in a harness outside the window of his apartment, Steve and Tessa must determine whether it was an accident, suicide or murder.

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 confronted with a conspiracy of silence while investigating the death of a man with a history of abuse.

The brutal murder of a video store owner initially appears to be linked to a protest demonstration until other suspects emerge.

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.

Steve and Tessa rush to solve the crime of a man who is murdered on his 50th birthday.

Steve and Tessa investigate when the body of a young women is found, having been killed by a blow to the head before being set alight.

When a young woman is electrocuted by her twin brother's robot, the subsequent investigation leads Tessa and Steve to uncover a bizarre tangle of relationships.

When Tessa and Steve investigate the death of a museum curator, they soon realise that his public face as a knowledgeable and well liked man who could rake in the funding dollars, hides a private life littered with sexual indiscretions and money troubles.

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.

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?

Steve and Tessa are called in to solve the murder of Trevor Parkin, his body was found one Friday afternoon in a zoo - he was wearing a gorilla costum. The more they discover about the deceased, the deeper the mystery, and although all the witnesses are helpful, there is no suspect, and no clear motive..or is there?

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.

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.

When the general manager of a department store is found dead during the store's opening, the owner and employees become the main suspects in the investigation. Steve is haunted by a face from his past, and Tessa pursues the case alone.

When the detectives attend an extravagant costume hire shop, they find the shop's young security guard dead.

When the referee at a women's soccer match is murdered in full view of 100 people, the detectives are puzzled when they cannot find a single eyewitness.

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.