Annette, 38, answers an ad from Paul, a farmer. She has only met him twice when she and her son Eric move in with him in the dead of winter. There Annette has to face Paul's hostile sister and her own past, which soon catches up with her.

In Paris, Ariane and Lena are sisters. Ariane writes photo novellas for the magazine "Toi et Moi." She's emotional and her long-time boyfriend, Farid, has her in a state because he won't propose, won't ask her to live with him, and often is unavailable. Lena is a cellist, quiet and circumspect in life and in her playing. She lives without passion with her boyfriend François; they're talking about having a baby.

In the 1950s, Louise left her husband when their children were still little. She was never heard from again. Her daughter Martine stayed in the small seaside town, where she became a doctor. Martine's daughter, Audrey, a thirty-year-old independent woman, returns to visit her parents. By chance, she finds a notebook that belonged to her grandmother, a diary that may at last explain her departure. Will it reveal the things left unsaid, that have altered the relationships within the heart of the family ever since? In it, will Audrey find answers to the questions that she is asking herself about her own future?