Chrissie and Anthony Foster were like any other young family, raising their three daughters in suburban Melbourne with what they hoped were the right values. Chrissie could not have known that the stranger-danger she feared actually lurked in the presbytery attached to the girls' Catholic primary school. Father Kevin O'Donnell, a long-term paedophile, lived and worked there. Two of their young daughters became victims of O'Donnell. And once the truth was revealed, the Fosters began a battle to find out how this could have happened. 

George Pell was a Ballarat boy who studied at Oxford and rose through the Catholic Church ranks to become adviser to Pope Francis and Vatican treasurer. He has been expelled from the Pope's inner circle of trusted cardinals. As an outspoken defender of church orthodoxy, supported and championed by the powerful, Pell's ascendancy was remarkable and seemingly unstoppable.

Teacher and former rugby league player Chris Dawson appeared to have it all - a loving family and a beautiful home in Sydney's Northern Beaches. But in the summer of 1982 his wife Lynette disappeared and not long afterwards Dawson married a much younger woman, a former student. Less than a decade later this young woman escaped the marriage and went to the police to record her suspicions that Dawson had been involved in Lynette's disappearance. A homicide investigation followed but got nowhere until 1998, when Detective Sergeant Damian Loone was handed Lynette's file.

When she was four years old, Shanelle Dawson's mother, Lynette, disappeared. On 8 January 1982, the woman who had been a loving, constant presence vanished without a trace. Four year old's might not be able to articulate questions or understand a lot, but the ache of absence is very real. Year after year that ache persisted. Shanelle's father, Chris Dawson, claimed that his wife just needed to get away. This is what he told Lyn's parents and siblings. This is what he told his daughters. But Lyn never returned home.

If you thought you knew the story of The Teacher's Pet, get ready to be shocked. Hedley Thomas takes you behind the scenes with a blow-by-blow account of one of the most intriguing and enduring murder mysteries of our time - the crime, the podcast investigation, the sexual exploitation of teenage students, the courtroom drama - and how justice was finally delivered.