Sadie and Will Foust have only just moved their family from bustling Chicago to small-town Maine when their neighbor Morgan Baines is found dead in her home. The murder rocks their tiny coastal island, but no one is more shaken than Sadie. But it’s not just Morgan’s death that has Sadie on edge. And as the eyes of suspicion turn toward the new family in town, Sadie is drawn deeper into the mystery of what really happened that dark and deadly night.

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.

A knock on the door late in the evening can only mean trouble for Detective Josie Quinn, but fear chokes her at the news that one of her own team is missing. No one has seen Denton PD’s Press Liaison Amber for days and, as she follows the message scrawled on the frosted windscreen of Amber’s car to a nearby dam, Josie hears a piercing scream that tells her she’s too late. But the body they pull from the freezing water is not Amber....

Clara Solberg's world shatters when her husband and their four-year-old daughter are in a car crash, killing Nick while Maisie is remarkably unharmed. The crash is ruled an accident - until the coming days, when Maisie starts having night terrors that make Clara question what really happened on that fateful afternoon. Tormented by grief and her obsession that Nick's death was far more than just an accident, Clara is plunged into a desperate hunt for the truth.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

Detective Josie Quinn is horrified when she’s called to the house of a mother who had her newborn baby snatched from her arms. A woman caught fleeing the scene is Josie’s only lead, but when questioned it seems this mysterious girl doesn’t know who she is, where she’s from, or why she is so terrified.... Is she a witness, a suspect, or the next victim? As Josie digs deeper, a letter about a mix-up at a fertility clinic links the nameless girl and the missing child to a spate of killings across the county.

Emer Doran's life was torn apart when her sister, Kitty, drowned. Her body was never recovered. Twenty years later, Emer sees a woman who is the image of Kitty and is convinced her sister is alive. Dee Doran jumps at the chance to get to know her long-lost cousin when Emer calls asking to meet. But it is not the happy family reunion Dee had expected. Emer is desperate for Dee's help to find out what really happened to Kitty. As Dee works to uncover the truth, one thing becomes clear: there is a tangled web of lies that date back many years.

After a traumatic event that almost ripped Jen Garner’s family apart, life is finally starting to get back to normal. Then a woman’s body is found in the river. Shortly afterwards, a young boy is discovered wandering the streets. He refuses to speak to anyone, just repeats one name over and over, to the confusion of most of the local authorities - but Jen knows exactly who he’s asking for, and it’s enough to make her blood run cold.... 

The Dead Eyes killer lurks in the backyard of the FBI's famed Behavioral Analysis Unit. His brutal murders, unlike any others previously encountered, confound the local task force, despite the gifted skills of Special Agent Karen Vail, the first female ever promoted to the profiling unit. But along with her keen insight, Vail brings considerable personal and professional baggage—both of which threaten to derail the investigation, destroy her storied career and get her killed. 

Dana has all she ever wanted - a husband she loves, her four-year-old daughter Kelsey who is the apple of her eye and another baby on the way to complete her perfect family. But then the worst fear that Dana has comes true, and everything she thought she knew, she now starts to doubt. As her world comes crashing around her, who can Dana trust? 

All Anna wants is to be able to sleep. But crushing insomnia, terrifying night terrors and memories of that terrible night are making it impossible. If only she didn’t feel so guilty. To escape her past, Anna takes a job at a hotel on the remote Scottish island of Rum, but when seven guests join her, what started as a retreat from the world turns into a deadly nightmare. Each of the guests has a secret, but one of them is lying—about who they are and why they're on the island. There's a murderer staying in the Bay View hotel. And they've set their sights on Anna.

The perfect daughter. The perfect girlfriend. The perfect murder? Jenna is seriously ill. She's lost all hope of getting the heart transplant she needs to live. But just as her life is ebbing away, she receives a donor heart from a girl called Callie. Who was Callie and how did she die? Jenna is determined to find out.

Peggy Moriarty’s life has been focused on being a single mom to her twins, Grace and Greg. But now that they’re teenagers doing their own things, she’s at a loss. Her only hobby is watching Messages from Beyond, a show about a medium who connects the grieving with their deceased loved ones.

On a summer evening in 1931, Lilly Blackwood glimpses circus lights from the grimy window of her attic bedroom. Lilly isn't allowed to explore the meadows around Blackwood Manor. She's never even ventured beyond her narrow room. Momma insists it's for Lilly's own protection, that people would be afraid if they saw her. But on this unforgettable night, Lilly is taken outside for the first time - and sold to the circus sideshow.

These five best friends made a summer sand pact as teens and have only kept it once or twice - until they reunite decades later and renew their agreement to meet in Five Island Cove every summer. Get ready for more secrets to come to light in Five Island Cove, and for these five women to show each other what it means to love and support someone through thick and thin.