
Every morning Christine Lucas wakes up with no memory of the last twenty years, and the man beside her has to explain that he is her husband, until she finds a journal she has been keeping in secret.
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Everyone envies Jack and Grace, the charming lawyer and his elegant wife, but Grace is never seen alone, never answers the phone and never meets friends for coffee, and the windows of their beautiful house have bars on them.

Travel journalist Lo Blacklock, shaken by a break-in at home, joins the maiden voyage of a small luxury cruise ship in the North Sea, and in the night she hears a woman go overboard from the cabin next door, though no one is missing.

Ten years after Quincy Carpenter became one of the 'Final Girls', three young women who each survived a massacre, she has a baking blog and a quiet life in Manhattan, until one of the others is found dead and the third, Sam, turns up at her door.

Seven years after her best friend died suddenly in front of a strange young man named Frank, Maya, now in Boston and quietly going through withdrawal, sees a video online of another woman collapsing in Frank's company.

Artist Eden Fox comes home from a morning run in the seaside village of Hope Falls to find that her key no longer works, and the woman who answers the door, who looks just like her, says she is Harrison's wife, and Harrison agrees.

Alicia Berenson, a famous painter, shoots her husband five times in the face and never speaks again, and years later Theo Faber, a forensic psychotherapist, takes a job at her secure unit, determined to make her talk.

Newlyweds Tricia and Ethan are house-hunting when a snowstorm traps them in the remote home of a psychiatrist who vanished without a trace, and Tricia finds recordings of the doctor's patient sessions hidden in the house.

An agoraphobic Manhattan psychologist watches her new neighbours across the street through a camera lens and is certain she just saw the wife being murdered.

Guy Roland, a Paris private detective who lost his memory ten years ago, takes over his retiring boss's office and uses it to search for the man he used to be.

On her twenty-fifth birthday, Libby Jones learns she has inherited a mansion in Chelsea, the house where, as a ten-month-old, she was found in her cot with three bodies downstairs and the other children who had lived there gone.

Cadence Sinclair Eastman spends every summer on her rich family's private island off Massachusetts with her cousins and their friend Gat, until an accident in her fifteenth summer leaves her with crippling headaches and no memory of what happened.

Single mother Nel Abbott is found dead in the river pool at Beckford where troubled women have drowned for centuries, and her estranged sister Jules returns to the town she swore she would never see again to look after Nel's fifteen-year-old daughter.