Meet three women with contrasting partners: Lucy's husband is her beloved companion; Vera's husband bores her and she turns elsewhere; and Charlotte's husband is a horrifying bully who turns a high-spirited naive young girl into a deeply unhappy woman. This is the story of how those marriages shape the sister’s lives, the consequences of their decisions, and the sisterly love that hopes to save them from tragedy.

Jane Carter sees an advertisement for a live-in shop assistant and jumps at the chance to leave her old life behind. After Chadwick the draper takes her on, Jane learns all there is to know about fabrics and dressmaking. She proves a talented saleswoman and befriends Maggie and Lily, the other employees. The girls struggle under exploitative conditions: meagre pay; tiny portions of food; the boss cheating them out of commissions. When the young man Maggie is seeing falls in love with Jane, a bitter falling-out results in Maggie threatening to leave Chadwick’s.

Ellen and Avery North share a stable and secure life. Everything is well looked after: their teenage children, their garden, and Avery’s elderly mother who lives nearby. In time, old Mrs North decides she is in need of a live-in companion, and Louise Lanier arrives after responding to a newspaper advert. When Louise sets out to seduce Avery for the fun of it, her behaviour threatens to destroy Ellen and Avery’s peaceful life together.

Cornwall, Midsummer 1947. Pendizack Manor Hotel is buried in the rubble of a collapsed cliff. Seven guests have perished, but is it murder, and what brought this strange assembly together for a moonlit feast before this Act of God - or Man? Over the week before the landslide, we meet the hotel guests in all their eccentric glory: and as friendships form and romances blossom, sins are revealed, and the cliff cracks widen....

Orphaned cousins Jane and Lucilla, both 19, receive the exciting news that their guardian is at last allowing them to leave boarding school. But their rosy future is thwarted when they find he has made some bad investments and fled, leaving them with a cottage in the English countryside and a modest bank account.