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.

A down-on-her-luck waitress at a posh New Jersey country club, Kim Valva couldn’t be living a more different life from the carefree socialites she serves. Her live-in boyfriend recently cheated on her, her social life is in shambles, and her dog needs a life-saving surgery that she can’t afford. Then her luck seems to change when a mysterious figure identifying themself only as The Stranger contacts her with an offer she can’t refuse: Put a pill in the new member’s drink and, when he dies, she’ll have enough money to fix her dog and her life.

Daisy Costigan is desperate to leave her violent, controlling husband, Bruce. But she knows he'll never let her go. And if she tries to escape, he's promised he'll do whatever it takes to track her down and have his revenge. She's trapped. One day Daisy meets a charming stranger in a bookstore. His name is Marco and he overhears Daisy's terrified phone conversation with controller Bruce. Marco makes Daisy an offer. He'll take care of Bruce if she'll help him with a little problem—his wife.

I used to enjoy my job. I was good at it and felt fulfilled. I also used to enjoy spending time with the people I worked with. They say you spend more time with your work colleagues than you do with your family members, but that was fine by me because I made two very good friends at the office. I also allowed myself to get a little too close to my boss, but I soon realized that was a mistake. Unfortunately, it was too late by then, and as my personal and professional lives quickly blurred into one, that was when everything changed.

The cherry blossoms are in full bloom in Washington, D.C., and the Calhouns are in the midst of hosting their annual party to celebrate the best of the spring season. With a house full of friends, neighbors, and their beloved three adult children, the Calhouns are expecting another picture-perfect event. But a brutal murder in the middle of the celebration transforms the yearly gathering into a homicide scene, and all the guests into suspects.