A bizarre murder in a city amusement park is the first in a series of horrible killings inspired by an innocent nursery rhyme. Homicide's youngest and brightest detective, Tessa Vance, is confronted by a psychopath from her past as the nursery rhyme killer prepares to strike again.

Thorne is convinced he saw a man pushed off a building roof, but cannot locate the body at first. When the body turns up, Steve and Tessa not only have to track down the killer, but discover why the body disappeared.

A gruesome discovery draws Steve and Tessa into a case that leads them into the dark stormwater tunnels of the city.

Steve and Tessa uncover a web of blackmail and obsession while investigating the murder of two business partners.

Tessa and Steve are drawn into a web of mystery and intrigue when legendary paleontologist Dr. Charlie Minogue is murdered, and his attractive assistant disappears.

Steve and Tessa are called to the murder scene of a woman who had called the police twice the night before she was murdered.

Following the bizzare murder of a medical professor, Tessa and Steve must carefully interpret a series of cryptic clues left by the killer.

When a food critic drops dead in a restaurant, Tessa finds there is no shortage of suspects as the critic was universally loathed and regularly received death threats.

The Klein String Quartet is a hotbed of passions and hatreds. When its founder and first violinist is found murdered, the other three members come under Steve and Tessa's spotlight.

When Dr. Theo Magnus, a leading cosmetic surgeon, is ambushed in his clinic and brutally murdered with a scalpel, his family and staff shed little light on the mystery.

The body of a beautiful women, victim of hit-and-run accident, is taken to the morgue. Tootsie arrives shortly afterwards to find the body missing and her new assistant murdered.

When the body of a women is found in a local dump, Tessa and Steve discover that her husband received a ransom note two days before.

A bizarre murder in a city amusement park is the first in a series of horrible killings inspired by an innocent nursery rhyme. Homicide's youngest and brightest detective, Tessa Vance, is confronted by a psychopath from her past as the nursery rhyme killer prepares to strike again.

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.

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.

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.