On a train with her husband, miles from home and their four-year-old son, Ben, Sophie receives a chilling phone call. Two boys are in hospital after a tragic accident. One of them is Ben. She thought she could trust Emma, her new friend, to look after her little boy. After all, Emma’s a kindred spirit - someone Sophie was sure she could bare her soul to, despite the village rumours. But Sophie can’t shake the feeling that she’s made an unforgivable mistake and now her whole family is in danger.

It was their darkest secret. Three schoolgirls made a promise - to take the horrible truth of what they did to the grave. Thirty years later, Beth and Sally have tried to put the trauma behind them. Though Carol has distanced herself from her former friends, the three are adamant that the truth must never come to light, even if the memory still haunts them. But when some shocking news threatens to unearth their dark secret, Beth enlists the help of private investigator Matthew Hill to help her and Sally reconnect with estranged Carol.

It seems like an ordinary Wednesday, until the phone rings. A mysterious caller with a chilling threat. Journalist Alice Henderson hangs up, ready to dismiss it as a hoax against the newspaper. But the next Wednesday, the stalker makes another move - and it becomes clear that this is all about Alice. Someone wants her to suffer, but for what? Her articles have made her a popular local champion - could it be her past rather than her work that’s put her life in danger? 

After more than a decade, when sisters Nikki, Sami, and Tori Knotek hear the word mom, it claws like an eagle’s talons, triggering memories that have been their secret since childhood. Until now. For years, behind the closed doors of their farmhouse in Raymond, Washington, their sadistic mother, Shelly, subjected her girls to unimaginable abuse, degradation, torture, and psychic terrors. Through it all, Nikki, Sami, and Tori developed a defiant bond that made them far less vulnerable than Shelly imagined.

It’s their daughter’s graduation and Rachel and Ed Hartley are expecting it to be one of their family’s happiest days. But when she stumbles and falls on stage during the ceremony, a beautiful moment turns to chaos: Gemma has been shot, and just like that, she’s fighting for her life. PI Matthew Hill is one of the first on the scene. A cryptic message Gemma received earlier in the day suggests someone close to her was about to be exposed. But who?

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

Adam and Sophie Warner and their three-year-old daughter are vacationing in Washington State’s Hood Canal for Memorial Day weekend. It’s the perfect getaway to unplug - and to calm an uneasy marriage. But on Adam’s first day out on the water, he sees Sophie abducted by a stranger. A hundred yards from shore, Adam can’t save her. And Sophie disappears.

Near an isolated mansion lies a beautiful garden. In this garden grow luscious flowers, shady trees...and a collection of precious “butterflies” - young women who have been kidnapped and intricately tattooed to resemble their namesakes. Overseeing it all is the Gardener, a brutal, twisted man obsessed with capturing and preserving his lovely specimens.

Shelby Tebow is the first to go missing. Not long after, Meredith Dickey and her six-year-old daughter, Delilah, vanish just blocks away from where Shelby was last seen, striking fear into their once-peaceful community. Are these incidents connected? After an elusive search that yields more questions than answers, the case eventually goes cold. Now, 11 years later, Delilah shockingly returns. Everyone wants to know what happened to her, but no one is prepared for what they'll find....

For nearly a year, Beth has been planning for her escape. She's thought through everything - a new look, new name and new city - because one small slip and her husband will find her. A couple hundred miles away, Jeffrey returns home from a work trip to find his wife, Sabine, is missing. Wherever she is, she’s taken almost nothing with her. Her abandoned car is the only evidence the police have, and all signs point to foul play.

DI Amy Winter is hoping to follow in the footsteps of her highly respected police officer father. But when a letter arrives from the prison cell of Lillian Grimes, one half of a notorious husband-and-wife serial-killer team, it contains a revelation that will tear her life apart. Responsible for a string of heinous killings decades ago, Lillian is pure evil. A psychopathic murderer. And Amy’s biological mother. Now, she is ready to reveal the location of three of her victims - but only if Amy plays along with her twisted game.

Charlotte was supposed to be looking after the children, and she swears she was. She only took her eyes off of them for one second. But when her three kids are all safe and sound at the school fair, and Alice, her best friend Harriet’s daughter, is nowhere to be found, Charlotte panics. Frantically searching everywhere, Charlotte knows she must find the courage to tell Harriet that her beloved only child is missing. And admit that she has only herself to blame. 

No visitors. No nights spent away from the apartment. No disturbing the other residents, all of whom are rich or famous or both. These are the only rules for Jules Larsen’s new job as an apartment sitter at the Bartholomew, one of Manhattan's most high-profile and mysterious buildings. As she gets to know the residents and staff of the Bartholomew, Jules finds herself drawn to fellow apartment sitter Ingrid. When Ingrid confides that the Bartholomew is not what it seems, Jules brushes it off as a harmless ghost story...until the next day, when Ingrid disappears.

As the anniversary of the murders approaches, Faith Winters is released from the psychiatric hospital and yanked back to the last spot on earth she wants to be - her hometown where the slayings took place. Wracked by the lingering echoes of survivor's guilt, Faith spirals into a black hole of alcoholism and wanton self-destruction. Finding no solace at the bottom of a bottle, Faith decides to track down her sister's killer - only to discover that she's the one being hunted. How can one woman uncover the truth when everyone's a suspect - including herself?

It was supposed to be the perfect reunion: six university friends together again after twenty years. Host Ali finally has the life she always wanted, a career she can be proud of and a wonderful family with her college boyfriend, now husband. But that night her best friend makes an accusation so shocking that nothing will ever be the same again.