Sarah Quinlan's husband, Jack, has been haunted for decades by the untimely death of his mother when he was just a teenager, her body found in the cellar of their family farm, the circumstances a mystery. The case rocked the small farm town of Penny Gate, Iowa, where Jack was raised, and for years Jack avoided returning home. But when his beloved aunt Julia is in an accident, Jack and Sarah are forced to confront the past that they have long evaded.

For 12-year-old Cora Landry and her friends Violet and Jordyn, it was supposed to be an ordinary sleepover - movies and Ouija and talking about boys. But when they decide to sneak out to go to the abandoned rail yard on the outskirts of town, little do they know that their innocent games will have dangerous consequences. Later that night, Cora Landry is discovered on the tracks, bloody and clinging to life, her friends nowhere to be found. Soon, their small rural town is thrust into a maelstrom. Who would want to hurt a young girl like Cora - and why?

It happens quietly one August morning. As dawn's shimmering light drenches the humid Iowa air, two families awaken to find their little girls have gone missing in the night. Now these families are tied by the question of what happened to their children. And the answer is trapped in the silence of unspoken family secrets.

Twenty-five years ago, the body of 16-year-old Eve Knox was found in the caves near her home in small-town Grotto, Iowa - discovered by her best friend, Maggie, and her sister, Nola. There were a handful of suspects, including her boyfriend, Nick, but without sufficient evidence the case ultimately went cold.

Veteran social worker Ellen Moore has seen the worst side of humanity - the vilest acts one person can commit against another. She is a fiercely dedicated children's advocate and a devoted mother and wife. But one blistering summer day, a simple moment of distraction will have repercussions that Ellen could never have imagined.

When the body of a woman is discovered in a local park - with her bewildered four-year-old son sitting beside her - veteran social worker Ellen Moore is called in to assist in the police investigation. Positioned beneath a statue of Leto, the goddess of motherhood, the crime is weighted with meaning and, Ellen discovers, remarkably similar to one from a decade past. Ellen's professional duty is to protect the child, but she's not equipped to contend with a killer. As she races to connect the dots, she knows her time is running out.

In the midst of a sudden spring snowstorm, an unknown man armed with a gun walks into an elementary school classroom. Outside the school, the town of Broken Branch watches and waits. Officer Meg Barrett holds the responsibility for the town’s children in her hands. As tension mounts with each passing minute, the hidden fears and grudges of the small town are revealed as the people of Broken Branch race to uncover the identity of the stranger who holds their children hostage.

If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal - she helps people overcome everything from domineering parents to assault - and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple - until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

As children, Sam and Elli were two halves of a perfect whole: gorgeous identical twins whose parents sometimes couldn’t even tell them apart. They fell asleep to the sound of each other’s breath at night, holding hands in the dark. And once Hollywood discovered them, they became B-list child TV stars, often inhabiting the same role. 

Dana Nolan was a promising young TV reporter until she was kidnapped by a notorious serial killer. A year has passed since she defeated her attacker, but Dana is still physically, emotionally, and psychologically scarred by her ordeal, with aftereffects including PTSD and memory loss. In an attempt to put herself back together after surviving the unthinkable, Dana returns to her hometown. But it doesn't provide the comfort she expects.

Lily Bradley is a respected psychotherapist married to a distinguished professor. They live in a dream house with their two children in close-knit Story Cove. Lily lives a well-ordered life. Or so it seems. As a therapist, she knows everyone keeps things hidden. Even her. Then sensual and free-spirited Arwen Harper rolls into town in her hand-painted VW van, her sixteen-year-old son riding shotgun. Overnight, Story Cove’s secrets are no longer safe. Because Arwen might know her new neighbors better than they know themselves.

My darling son, Sam, is marrying his childhood sweetheart, and I couldn’t be prouder of the man he’s grown into. Walking out on his abusive father all those years ago was the best thing I ever did. And today he stands, tall and handsome, saying "I do" to my dream daughter-in-law. If I hadn’t pushed them together all those years ago, he might never have found a girl as perfect as Lauren. It’s true what they say, mother always knows best. 

She bursts into my life like a storm, and nothing is the same again. One by one, I watch as my friends fall under her spell. Only I see that her smiles don’t reach her cold, furious eyes. And when I’m accused of things I didn’t do, when my home is vandalized, I know she’s behind it. But she only lets her mask slip when no one is looking, so if I say anything, I’ll look crazy. So when the baby shower comes around, I’m sitting on a velvet sofa in a posh hotel room, surrounded by balloons. But that afternoon, I finally learn the unbelievable truth. There is no baby....

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.