Beth is a new mother struggling to find her place in the world. She is exhausted, mentally and physically, but her anxieties are not simply the fears of a first-time mum. A terror burns in her, fuelled by a secret past she is lucky to have escaped. When a letter arrives, bearing only the infinity symbol, Beth knows immediately it is from them. And that her past is finally catching up with her…

Alex Blake was terrified of water, and had been since she nearly drowned at age five. So when police find her body in the river and rule it a suicide, her mother, Jen knows they're wrong. But no one will listen to a grieving mother. The police dismiss her. Her husband thinks she's in denial. Even their neighbours, the Higgins family, urge her to accept the truth and move on. But something isn't right. Why was Alex messaging Lia Higgins, Jen's former best friend, the day she died? And why is Lia now so desperate to shut down Jen's questions?

Dr. Eleanor Spencer is a respected forensic psychologist with a seemingly perfect life. But when a series of women start to vanish, she’s haunted by the memory of her sister’s disappearance and she finds herself drawn into the chilling investigation.​ As the body count rises and her paranoia deepens, Ellie is forced to delve into the mind of a monster to uncover the truth. Her work leads her to Lucas Hayne, a notorious serial killer now behind bars. But when Lucas cryptically hints that the key to the killer’s identity lies buried in her past, Ellie’s world begins to unravel. ​

Jen Cartwright returns from holiday to find her new next-door neighbour is Stacey Abbott, her childhood bully. It could be coincidence—but when Jen's close friends start to abandon her, and Jen's livelihood becomes threatened, it seems that the vendetta from the past has begun again. But why now, twenty years later? And if Stacey isn't to blame, then who is? Or is Jen inventing her own nightmares as her career and marriage seem to be foundering around her?

It started out as a party: six little girls gliding and giggling at the ice rink to celebrate Natalie’s daughter’s eighth birthday. But by Natalie’s next head count, it’s turned into a crime scene. Six children went onto the ice—and now there are just five. Nobody saw her niece, Elle, being taken. Nobody saw the person in a cartoon costume lure her quietly away. Traumatised by what happened on her watch, Natalie spends the next decade supporting her sister, Jo, as the years since Elle’s abduction tick by.