Chanson Douce -

Louise’s dependency on the family becomes a "deviant care." As her own life unravels, her obsession leads to a horrific double murder.

Myriam and Paul, a middle-class Parisian couple, hire Louise as a live-in nanny for their two children. Chanson douce

Louise is initially a miracle—she cleans, cooks, and stays late, becoming indispensable. Louise’s dependency on the family becomes a "deviant care

The novel is famous for its shocking opening: a middle-class Parisian couple