Emily, a popular but bookish prep school senior, goes missing after a night out with friends. She was last seen leaving a party with Alex, a football player with a dubious reputation. But no one is talking. Now three mothers, Catherine, Leslie and Morgan, friends turned frenemies, have their lives turned upside down as they are forced to look to their own children—and each other’s—for answers to questions they don’t want to ask.

From Alex Finlay, the author of Every Last Fear and The Night Shift, comes an action-packed new thriller What Have We Done, about the lives we leave behind and the secrets we carry with us forever.

The three Williams girls are as close as sisters can be, and they also share one special trait in common: each of them have a man in their lives that they could do without.

Neighbors Gwen, Aimee, and Lisa share more than playdates and coffee mornings on their tranquil street in East Bethesda. They confide their deepest secrets, navigate the challenges of motherhood together, and provide a support system that seems unbreakable. But when Gwen's husband is found murdered after one of their weekly Friday night dinners, the peaceful quiet of their cul-de-sac shatters. The seemingly idyllic world of the three close-knit mom friends becomes a web of deception, betrayal, and revenge.

When Dr. Sloan Hastings submits her DNA to an online genealogy site for a research assignment, her goal is to better understand the treasure-trove of genetic information contained on ancestry websites. Brilliant and driven, Sloan is embarking on a fellowship in forensic pathology, training under the renowned Dr. Livia Cutty. Sloan has one reservation about involving herself in the experiment: she’s adopted. Grateful for a loving home, she’s never considered tracking down her biological parents.

Brooklyn psychiatrist Dr. Caroline Strange is certain she knows what's best for her patients, her family, and pretty much everyone else, but that all changes when a troubled young man arrives for his appointment and makes a pair of alarming confessions: I am going to kill someone, and I know who you really are. Dr. Caroline is accustomed to hearing her patients’ deepest, darkest secrets, but it seems Nelson Schack may be one step ahead when detectives show up later that day, inquiring about a missing woman.

Stephanie and Jessica have nothing and everything in common. The two women don’t know each other but are on the same plane heading to California. Stephanie is on a business trip and Jasmine is fleeing an abusive relationship. After a few days, they text their friends the same exact messages about the same man—the messages becoming stranger and more erratic. And then the two women vanish. The texts go silent, the red flags go up, and the panic sets in. When Stephanie and Jasmine are each declared missing and in danger, it begs the questions: Who is Trent McCarthy?

There’s something sinister under the surface of Wesley Falls, and it’s not just the abandoned coal mine that lies beneath it. The summer of 1995 kicks off with a party in the mine where six high school students witness a horrifying crime that changes the course of their lives. When they realize that they can’t trust anyone but each other, they begin to investigate what happened on their own. As tensions escalate in town to a breaking point, the six make a vow of silence, bury all their evidence, and promise to never contact each other again. Their plan works—almost.

Charismatic daredevil and extreme adventurer Maverick Dillan invites you to the ultimate game of hide-and-seek. But as the players gather on Falcao Island, the event quickly spirals into a chilling test of survival. A storm rages as a deadly threat stalks the contestants, turning the challenge into something far more sinister than the social media stunt it was intended to be.

For the past five years, Ryan Richardson has relived that terrible night. The car door ripping open. The crushing blow to the head. The hands yanking him from the vehicle. His girlfriend Ali’s piercing scream as she is taken. With no trace of Ali or the car, a cloud of suspicion hangs over Ryan. But with no proof and a good lawyer, he’s never charged, though that doesn’t matter to the podcasters and internet trolls. Now, Ryan has changed his last name, and entered law school. He's put his past behind him. Until, on a summer trip abroad to Italy, Ryan gets a call from his father.

Every year, the illustrious Van Ness siblings, heirs to a copper fortune, gather at their secluded winery estate for a joint birthday celebration. It's a tradition they've followed nearly all their lives, and now they are back with their significant others for a much-needed weekend of rest and relaxation, away from the public spotlight.

Janie needs a break: her baby won’t sleep, she’s struggling with motherhood, and a secret from her past threatens to tear her new family apart. So when her partner, Max, offers to do their baby’s feedings that night so she can finally get some sleep, she jumps at the chance. But when Janie wakes up at three a.m., her daughter is screaming alone in her bassinet…Max has vanished. Alone with a newborn and desperate for answers, Janie searches for Max, but the more she learns about the man she loves, the more she wonders how well she knew him at all.

Kerry’s life is in shambles: Her husband has left her, her drinking habit has officially become a problem, and though the deadline for her big book deal—the one that was supposed to change everything—is looming, she can’t write a word. When she sees an ad for a caretaker position at a revitalized roadside motel in the Catskills, she jumps at the chance. It's the perfect getaway to finish her book and start fresh. But as she hunkers down in a blizzard, she spots something through the window: a pale arm peeking out from a heap of snow.

Former NSA agent Eve Wicker has faced many hardships and tragedies in life. Needing to be closer to her ailing father, Eve takes a position as her hometown Sheriff. A position she never imagined would open many old wounds from her past. When she receives a phone call about a body in the woods, She drives up to the crime scene. There, she grabs the attention of the town’s mountain recluse. Roman Pike, a big burly ex-marine who’s as abrasive as he is brash.

It was a mistake to trust him. Shivering and bruised, a teen wakes up on the side of a dirt road with no memory of how she got there—or who she is. The police don’t know where she came from until a frantic man arrives at the station. He’s been searching for her for hours. He has her school ID, her birth certificate, and even family photos.

Emily, a popular but bookish prep school senior, goes missing after a night out with friends. She was last seen leaving a party with Alex, a football player with a dubious reputation. But no one is talking. Now three mothers, Catherine, Leslie and Morgan, friends turned frenemies, have their lives turned upside down as they are forced to look to their own children—and each other’s—for answers to questions they don’t want to ask.

The three Williams girls are as close as sisters can be, and they also share one special trait in common: each of them have a man in their lives that they could do without.

June Moody is a 30-something English professor. Her old friend and longtime nemesis Sadie MacTavish, a mega-successful author, invites June and her college friends to a baby shower at her sprawling estate in the San Juan Islands. June is less than thrilled to spend time with Sadie and her husband - June's former crush - but agrees to go. The party gets off to a shaky start when old grudges resurface, but when they wake the next morning, they find something worse: Sadie is missing, the house is in shambles, and bloodstains mar the staircase.

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.

It is 1997, and in a basement flat in Hackney, Isla Green is awakened by a call in the middle of the night: her father phoning from Sydney. Thirty years ago, in the suffocating heat of summer 1967, the Greens’ next-door neighbor Mandy disappeared. At the time, it was thought she had fled a broken marriage and gone to start a new life; but now Mandy’s family is trying to reconnect, and there is no trace of her. Isla’s father, Joe, was allegedly the last person to see her alive, and now he’s under suspicion of murder.