Grace Holloway keeps to herself. Since narrowly escaping death at the hands of the man who kidnapped her, she’s thrown herself into the small inn she runs in Rock Harbor, Maine. It’s quiet, quaint and, in the off-season, completely isolated—the perfect place for Grace to keep her own secrets. But Grace isn’t the only one with something to hide, and Rock Harbor isn’t just a sleepy vacation town. Someone is taking young women—girls who look an awful lot like Grace did when she was kidnapped so many years ago.

An intimate, bracingly intelligent debut novel about a millennial Irish expat who becomes entangled in a love triangle with a male banker and a female lawyer. Ava, newly arrived in Hong Kong from Dublin, spends her days teaching English to rich children. Julian is a banker. A banker who likes to spend money on Ava, to have sex and discuss fluctuating currencies with her. But when she asks whether he loves her, he cannot say more than "I like you a great deal".

Elisabeth, an accomplished journalist and new mother, is struggling to adjust to life in a small town after nearly 20 years in New York City. Alone in the house with her infant son all day (and awake with him much of the night), she feels uneasy, adrift. She neglects her work, losing untold hours to her Brooklyn moms' Facebook group, her "influencer" sister's Instagram feed, and text messages with the best friend she never sees anymore. Enter Sam, a senior at the local women's college, whom Elisabeth hires to babysit.

Daisy and Simon’s marriage isn’t what it seems…. After years together, the arrival of longed-for daughter Millie sealed everything in place. They’re a happy little family of three. So what if Simon drinks a bit too much sometimes — Daisy’s used to it. She knows he’s just letting off steam. Until one night at a party things spiral horribly out of control. And their happy little family of three will never be the same again.

A producer at the BBC and mother to a new baby, Tessa is at work in Belfast one day when the news of another raid comes on the air. The IRA may have gone underground in the two decades since the Good Friday Agreement, but they never really went away, and lately bomb threats, security checkpoints, and helicopters floating ominously over the city have become features of everyday life. As the news reporter requests the public's help in locating those responsible for the robbery, security footage reveals Tessa's sister, Marian, pulling a black ski mask over her face.