Thrillers About Marriage

Poisoned Pen Press

Naomi was living the quintessential love story. Boy meets girl. They fall in love, start a family. Then―he kicks her out, hires the best divorce lawyers, and takes up with a 20-something. Naomi should accept defeat: move into a dingy apartment, and piece together the shattered remains of her life. But why should she? Instead, Naomi fixates on her husband's new girlfriend. What begins as cynical curiosity twists into obsession―and then something darker. As Naomi uncovers secrets she never imagined, she realizes her own life may be in danger. But if it keeps her perfect family intact, isn't it worth it?

A Serial Killer’s Guide to Marriage by Asia Mackay

Hazel and Fox look like a perfectly normal couple from the outside. Hazel is a successful artist, Fox works in finance, and they dote on their newborn daughter, Bibi. But what their neighborhood doesn’t know is that they used to be killers. They had standards, of course, only setting their murderous sights on bad men. But when the suburban boredom drives Hazel back to killing without telling Fox, she brings not only law enforcement but betrayal and secrets to their door.

Whispers of the Lake by Shanora Williams

Investigative journalist Rose is dealing with the fallout of a crumbling marriage, while cutting off her best friend, Eve, at the same time. But when Eve goes missing, Rose puts aside her anger at her friend and her role in Rose’s broken marriage to find out where Eve went. This leads her to a small town called Sage Hill, where Eve was supposed to be vacationing. But the town is stranger than it appears, and Rose finds herself in over her head.

Things We Do in the Dark by Jennifer Hillier

Paris Peralta, wife to a famous comedian named Jimmy Peralta, wakes up one morning with a razor in her hand and her husband dead in the bathtub. When the police find her, they don’t think twice before arresting Paris for the murder. But as a podcaster reveals a connection between Paris and another murder from over two decades ago with similar circumstances, Paris’s case might not be so clear-cut after all.

My Husband’s Wife by Alice Feeney

When emerging artist Eden Fox returns home from a run, her key won’t work in the front door. Then, another woman answers the door and, to make matters worse, her husband, who is inside, claims the strange woman is his wife. In fact, he seems not to recognize Eden at all. Even her own daughter looks at her like she’s a stranger. Who is this woman who seems to have taken over her life, and how does Eden get it back?

The Couple Next Door by Shari Lapena

When Anne’s babysitter cancels at the last minute, she and her husband, Marco, decide it’s okay to leave their baby, Cora, home alone. They’re just going next door for a dinner party, after all, and they’ll bring the baby monitor with them. No harm done, right? But in the time between checking on the baby, she disappears from her crib. Who could have taken her and in such a short window of time?

Kill Your Darlings by Peter Swanson

Thom and Wendy have been married nearly three decades, childhood sweethearts who managed to find their way to each other after Wendy’s first husband died. Despite infidelity and fighting, they stay married because of a secret binding them together. Told in reverse chronological order, you’ll trace their love story back all the way to its secretive beginning.