Mandy Cramer has lived her entire life in a small lakeside town that is divided in two distinct groups: the working class, who live downtown, and the wealthy members of the ultra-exclusive Hawthorne Bluff Club. Details of the clubs one-hundred year history are scant, as the members are notoriously tight-lipped and the gates remain closed to outsiders. When Mandy accepts a position as a nanny for the club president's children, she discovers more secrets than she ever bargained for.

Heather Matthews, pregnant and in handcuffs, had an uncertain future ahead of her. Quinn Harstead, newly married and enjoying literary success, found out that someone very close to her held the answers to a mystery from decades before.

Katie Benard reluctantly returns home to Grady Lake two decades after her older sister Malorie disappeared without a trace, a story that has captivated the nation since the day she was reported missing in 2003. After leaving home years ago, Katie is overjoyed to reunite with her childhood best friend and cousin while working at her family's lakeside resort at the end of tourist season in northern Michigan. Just when life begins to feel normal again, a teenage girl goes missing from the resort. She has vanished without a trace, just like Malorie.

Shortly after arriving at her grandmother's beautiful home, Ruby realizes that the wealthy have just as many secrets as everyone else—they just bury them a little deeper. How long will it take for Ruby to discover what's being hidden by the residents of Magnolia Court, and will she live to tell anyone what she's found?

Chloe Webster is supposed to be dead. She vanished twenty-five years ago—the night her two friends were brutally murdered at an isolated hot springs. At least…that’s what everyone believes. Everyone except Chloe’s cousin, Frankie, who never gave up hope that she was alive. When Chloe unexpectedly shows up at her own annual memorial event, Frankie is overjoyed. But this isn’t the reunion she had imagined. Chloe has no memory of that night in 1999—or her life before her disappearance.

In 1942, six people destroyed Anna Matheson’s family. Twelve years later, she’s ready for retribution. Under false pretenses, Anna has lured those responsible for her family’s downfall onto a luxury train from Philadelphia to Chicago, an overnight journey of thirteen hours. Her goal? Confront the people who’ve wronged her, get them to confess their crimes, and deliver them into the hands of authorities waiting at the end of the line. Justice will at last be served. But Anna’s plan is quickly derailed by the murder of one of the passengers.

The greatest days of Heather Matthews' life have taken place in Delta County. Unfortunately, so have the worst. Ten years after an unspeakable tragedy took the lives of the two people she loved the most, Heather returns to her hometown for a class reunion with her high school sweetheart, who is now her husband. Just when she recalls all the reasons to love the idyllic lakeside town in Michigan's Upper Peninsula, her life is once again turned upside down. Heather must push her grief aside and investigate the events that occurred the night of the reunion.

To Brooke, image is everything. She works hard to maintain perfect grades, perfect looks, a perfect life—especially after "the incident" that threatened it all. Getting into her dream university puts her that much closer to a fresh start. How can she say no to celebrating with all her classmates? Hanging out with her crush by the bonfire is the perfect end to the night. Except it isn't the end. An old truck starts aggressively tailing Brooke and her best friend on the isolated road toward home. Someone thinks they know the truth about "the incident."

If you ask Jill Tingley, she'll tell you she and her husband Jack are college sweethearts living the dream in Southern California. Newly empty nesting with their daughter Maggie away at college, Jill suggests a road trip to reconnect. Jack would rather do anything else than drive to Utah with his wife. He's only stayed in this marriage because of a shared secret, a tragedy in the past he wanted to keep buried. But Jack is finished with the charade of his marriage. He's filing for divorce as soon as they return, no matter what. But he doesn't realize what else Jill is hiding.

In the glow of their children’s exciting first year of college at a small private school in Northern California, five families plan on a night of dinner and cocktails for the opening festivities of Parents Weekend. As the parents stay out way past their bedtimes, their kids—five residents of Campisi Hall—never show up at dinner.

Marin had the perfect life. Married to her college sweetheart, she owns a chain of upscale hair salons, and Derek runs his own company. They're admired in their community and are a loving family—until their world falls apart the day their son, Sebastian, is taken. A year later, Marin is a shadow of herself. The FBI search has gone cold. The publicity has faded. She and her husband rarely speak. She hires a PI to pick up where the police left off, but instead of finding Sebastian, she learns that Derek is having an affair with a younger woman.

It was meant to be Caitlin's perfect summer, but betrayed by her best friend and her boyfriend, she finds herself hitchhiking home alone, heartbroken, and penniless. When a smiling family pulls up on the roadside to help her on her way, she's relieved at first - they seem friendly, normal. And when they offer her a warm bed in their cottage for the night, she's grateful - it's not safe for young women travelling alone in the dark, and she's in no rush to get home, where she knows a grave secret is due to blow her family apart.

Thirteen years ago, Cole and Lisa Shipley were fostering an infant with hopes of adopting her. Overnight everything was turned upside down, when the child’s mother bled to death on their front doorstep. Her last words: He’s coming here…for her! Save her. Afraid, bewildered, and with a baby in their arms, they fled. The longer they hid, the guiltier they looked. Now in a small Colorado town under assumed identities, they’ve been seemingly safe.

With her new position as a nanny for the prestigious Locke family, Olivia’s learning just how powerful secrets can be. Orrick and Iris Locke, owners of the billion-dollar security company known as Locke Industries, are beautiful, mysterious, and seemingly perfect. When she enters their home, Olivia quickly discovers everything is not what it seems. The Lockes’ elusive empire is built on dark and terrifying truths, and with Olivia now a part of their lives, she has no choice but to play her role.

When Hazel Sharp, daughter of Mirror Lake’s longtime local detective, unexpectedly inherits her childhood home, she’s warily drawn back to the town—and people—she left behind almost a decade earlier. But Hazel’s not the only relic of the past to return: a drought has descended on the region, and as the water level in the lake drops, long-hidden secrets begin to emerge…including evidence that may help finally explain the mystery of her mother’s disappearance.