0n a hot summer day at Bellwhether High School in Sydney, Australia, teacher Bill Pagett lies murdered, the hole in his head accomplished with neat efficiency by a Black & Decker drill. Detective Inspector Carol Ashton investigates, bringing with her a formidable reputation for competence. She soon uncovers tangled relationships and motives for murder among the six teaching staff, along with a maze of malicious anonymous letters and threatening phone calls. And then there is yet another corpse.

After her teenage daughter, Mia, falls in with the wrong crowd, Dr Billie Green decides it's time to leave the city and return home to Far Western NSW. When an opportunity to pursue her childhood dream of joining the Flying Doctor Service comes along, she jumps at the chance. Flight Nurse Daphne Prince - who is thrilled to have another woman join the otherwise male crew - and their handsome new boss, Morgan Blake, instantly make her feel welcome.

It was summer in the mountains when five small children vanished from their nursery school picnic. The heat was stifling that day, the tinkle of an ice-cream van in the air.... Three-and-a-half years later, in the dead of winter, the children are returned to their families...one by one. All except for Ivy - the granddaughter of Homicide Detective Kate Wakeland. The other four children say Ivy is dead.

Lenny has always known that his wife, Claire, is the love of his life. But somehow his marriage is in shambles, he’s struggling with the kids, and a string of anonymous text messages are tormenting him, insisting that Claire is a liar. Claire knows Lenny is a good man, but there’s a lot she hasn’t told him about her past. Now she’s terrified that the horrors that haunt her are about to put her entire family in danger. Strange new neighbours, insidious clients and schoolyard scandal begin to fracture Claire and Lenny’s happy families façade.

In one terrible moment, paramedic Sophie Phillips' life is ripped apart - her police officer husband is shot on their doorstep and their ten-month-old son is abducted from his bed. Suspicion surrounds her possibly corrupt husband, but Sophie believes the attack is much more personal. Sophie enlists her husband's partner in the hunt for her son, but will the history they share prove harmful to Sophie's ability to complete her mission?

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Psychologist Margot Scott has a picture-perfect life: a nice house in the suburbs, a husband, two children and a successful career. On a warm spring morning Margot approaches one of her clients on a busy train platform. He is looking down at his phone, with his duffel bag in hand as the train approaches. That’s when she slams into his back and he falls in front of the train. Margot’s clients all lie to her, but one lie cost her family and freedom.

Everyone has secrets, and Rachel Holloway is no exception. She’s worked hard to keep the past where it belongs: dead and buried. And so far, she’s been very successful. But now the small newspaper where she works wants to produce a podcast on a cold case: the disappearance 12 years ago of young Molly Forster. Some secrets should never see the light of day, and, as far as Rachel is concerned, whatever happened to little Molly is one of them.

Mia Hamilton lived the perfect life with her husband, university teacher Zach, and their two-year-old daughter. But everything changed when Zach committed suicide on the same night one of his students vanished. Five years later, just when Mia is beginning to heal, stranger Alison walks into her life, saying her husband didn't kill himself. Fragile, slight Alison leads Mia on a path into Zach's past, and Mia begins to think she never really knew her own husband.

When single mother Darcy’s son falls from a rope bridge at a local playground, life stands still. She clutches his small, limp body, frozen, until a pair of strong hands push her aside, and she watches as George, a local doctor, saves her son’s life. George, with his twinkling hazel eyes, easy charm and lack of wedding band is almost too good to be true, but coffee becomes lunch, lunch becomes dinner, and soon they can’t go an evening without seeing each other.

On their first date back in law school, Natalie and Will Clarke bonded over drinks, dinner, and whether they could get away with murder. Now married, they’ll put the latter to the test when an unchecked danger in their community places their son in jeopardy. Working as a criminal defense attorney, Nat refuses to rely on the broken legal system to keep her family safe. She knows that if you want justice...you have to get it yourself.

Orla and Kate have been best friends forever. Together they’ve faced it all - be it Orla’s struggles as a new mother or Kate’s messy divorce. And whatever else happens in their lives, they can always look forward to their annual weekend away. This year, they’re off to Lisbon: the perfect flat, the perfect view, the perfect itinerary. And what better way to kick things off in style than with the perfect night out? But when Orla wakes up the next morning, Kate is gone.

When 10-year-old cousins Maddy and Brianna are arrested for a terrible crime, Maddy’s mother, Juliet, cannot believe it. How could her bright, joyful daughter be capable of such a thing? As the small village community recoils in horror, the pressure of the tragedy blows Juliet and her sister’s lives apart. And things get even worse when their daughters retreat into a self-imposed silence. Can anyone reach Maddy and discover the truth before her fate is sealed? Juliet is crushed. Nothing will ever be the same for her darling girl.

Faye Townsend has planned the perfect summer trip for her family. But returning to the small seaside town her husband grew up in does not go to plan - the rain pours, and the long days become stifling. And then the unthinkable happens.... Her husband, Jake, and her six-year-old son, Dylan, go for an early morning walk along the beautiful, windswept clifftops. They don’t come back.

Beth and Tom Hardcastle are the envy of their neighbourhood—they have the perfect marriage, the perfect house, the perfect family. When the police knock on their door one evening, Beth panics. Tom should be back from work by now—what if he’s crashed his car? She fears the worst. But the worst is beyond imagining. As the interrogation begins, Beth will find herself questioning everything she believed about her husband.