James Casper is one of the good guys. A DEA agent. A loyal husband. With his sights set on the man at the top of the city’s opioid crisis, James is about to make the biggest bust of his career. Then his beloved wife Rosie does something terrible, and James must choose: Report it - or help her. He knows how this works, and he tells himself he’s smart enough to get away with murder. But James’ worst enemy knows what they have done - and he won’t hesitate to use it to manipulate him.

Emily Bennett works as a therapist in Pennsylvania, helping children overcome their troubled pasts - even as she struggles to forget her own. Once upon a time, Emily was part of a middle school clique called the Harpies - six popular girls who bullied the new girl to her breaking point. The Harpies took a blood oath: never tell a soul what they did to Grace Farmer. Now, fourteen years later, it seems karma has caught up to them when one member of that vicious circle commits suicide. 

This is Reaper speaking. So begins an anonymous letter published in a Utah newspaper after a young couple is viciously murdered. Tooele County sheriff Elizabeth Gray leads the investigation into the double homicide, which is eerily reminiscent of a string of brutal killings years ago. When the letter leads detectives to yet another body, Gray calls on an old friend for help.

On a humid summer day in Alabama, a mayor’s wife turns up brutally murdered under a railroad bridge. Standing next to her body is fourteen-year-old Mason Hill, the autistic son of former Miss USA Genevieve Hill. The locals are quick to level their verdict on young Mason: he did it. The town detective calls in local autism expert Casey Walker to consult on the case. At first, Casey tries to keep an open mind. But the more time she spends with Genevieve, the more her unease grows, and she suspects that Genevieve is doing more than just protecting her son.

Jillian Kane appears to have it all - a successful career, a gorgeous home, a loving husband, and two wonderful children. The reality behind closed doors is something else entirely. For nine years, she has hid the bruises and the truth of her abusive marriage in order to protect Addie and Drew, knowing that if she left, Gordon would destroy her and destroy them. When she flees in an act of desperation, her worst nightmare is realized and she finds herself on the run with her two young children, no money, and no plan. 

Selena Murphy is commuting home on the train when she strikes up a conversation with a beautiful stranger in the next seat. The woman introduces herself as Martha and soon confesses that she’s been stuck in an affair with her boss. Selena, in turn, confesses that she suspects her husband is sleeping with the nanny. When the train arrives at Selena’s station, the two women part ways, presumably never to meet again.

“Sometimes teenagers run away...Give her a few days. She’ll be back.” That’s what the police tell Jessica Moore when her seventeen-year-old daughter, Wyn, vanishes. All signs point to this being true. But days become weeks. Weeks become months. And Jessica begins to fear the terrible truth - that she may never see her daughter again. Then, one year later, when all hope seems lost, Jessica gets a flurry of text messages from Wyn that freeze her blood.

When her beloved sister Caroline dies suddenly, Deirdre is heartbroken. However, her sorrow turns to bone-chilling confusion when she receives a message Caroline sent days earlier warning that her death would be no accident. Long used to being a pariah to her family, Deirdre covers her tattoos and heads to Manhattan for her sister’s funeral. The message claimed Caroline’s husband, Theo, killed his first wife and got away with it.

Zoe didn't meet her daughter the way most mothers do. She finds five-year-old Maddie alone and dirty on a countryside road. Frightened for Maddie's safety, she picks her up and takes her back to her father, not knowing what she's about to step into. Because Maddie wasn't just lost; she was there to lure her serial killer dad's new victim. After escaping from the clutches of Maddie's dangerous father, she bonds with the little girl. Only Maddie knows what it was like to be at that house. And when no family members come forward to claim Maddie, Zoe decides to adopt her. 

Ava only left her daughter in the pushchair for five minutes. The buckle was fastened, and she was sure it was safe. But when she came downstairs, the door was open and Abi was gone - she walked down the road, past the Lovegoods' house, and was never seen again. A year later, the Lovegoods throw a housewarming party, showing off the results of their renovation. Ava doesn’t want to go. She can’t bear to look down that end of the road, to see the place where Abi vanished, and she doesn’t want to spend time with people who don’t share her grief. 

Newlyweds Sam Statler and Annie Potter are head over heels, and excited to say good-bye to New York city and start a life together in Sam's sleepy hometown upstate. Or, it turns out, a life where Annie spends most of her time alone while Sam, her therapist husband, works long hours in his downstairs office, tending to the egos of his (mostly female) clientele. Little does Sam know that through a vent in his ceiling, every word of his sessions can be heard from the room upstairs.

No relationship is perfect. But since the birth of baby Mabel seven months ago, Amber and George have been in desperate need of a night away. Mabel is all that Amber has ever wanted, but she can’t deny that sometimes she struggles to cope. George has booked them into a luxury hotel, and Amber’s sister is babysitting. Yet just as they are ready to leave, Amber can’t suppress a feeling of worry.... 

Abandoned by her fugitive ex-husband, Lily Brown is rebuilding her life on the edge of a Kansas town that still feels the sting of his crimes. Lily lies low, managing the isolated storage facility where she lives with her twelve-year-old son, Everett, and planning a better future for them both. That requires keeping secrets. Everett has them too. After breaking into a storage unit, Everett finds photographs and news clippings of five girls missing for decades.

When she stumbles across the ad, she’s looking for something else completely. But it seems like too good an opportunity to miss - a live-in nannying post, with a staggeringly generous salary. And when Rowan Caine arrives at Heatherbrae House, she is smitten - by the luxurious “smart” home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn’t know is that she’s stepping into a nightmare - one that will end with a child dead and herself in prison awaiting trial for murder.

True crime podcaster Trinity Scott is chasing breakout success, and her brand-new serial may get her there. Her subject is Clayton Jay Pelley. More than two decades ago, the respected family man and guidance counselor confessed to the brutal murder of teenage student Leena Rai. But why he killed her has always been a mystery. In a series of exclusive interviews from prison, Clayton discloses to Trinity the truth about what happened that night beneath Devil’s Bridge. It’s not what anyone in the Pacific Northwest town of Twin Falls expects.