Paris, France is the urban setting in which the Massé family’s domestic life, Myriam’s return to work, and Louise’s care of the children intersect with the city’s networks of neighbors, employers, and fellow nannies. Its small apartment, long commutes, parks, and shared public spaces give the novel’s private relationships a material geography: people live close together, yet can remain strangers until work, crisis, or investigation brings them into contact.

The Massé Home and Work

The Massé family live in a small fifth-floor apartment on Rue d’Hauteville. It is the smallest apartment in the building; after the birth of their second child, Paul and Myriam divided the living room with a partition. They sleep in a cramped room between the kitchen and the street-facing window. Myriam’s secondhand furniture, Berber rugs, and Japanese prints make the limited space a home, but its layout also conveys the pressure of raising two children within narrow domestic bounds.

The city shapes Myriam’s attempt to resume her legal career. After Pascal offers to discuss her return to law, she and Paul consider childcare at the end of January, when they cannot expect to find a place in a nursery or daycare. They know nobody at city hall, and their income places them in a difficult middle ground: too well-off for emergency assistance, but not wealthy enough to hire a nanny without sacrifice. They choose paid childcare, though Paul calculates that Myriam’s earnings will roughly match the cost of the nanny and treats her ambition with skepticism. Paris thus appears not only as a professional center but as a city where work and family life are organized through expensive, hard-to-secure care.

Myriam’s office offers a sharply different interior. She arrives before eight, first to the firm, and works beneath a small desk lamp in the quiet before her colleagues arrive around half past nine. The silence recalls her concentration as a student; she studies files, walks the dark corridor with documents, and smokes on the balcony with her coffee. Her movement between a crowded home and a solitary workplace gives the city’s professional geography an intimate consequence: returning to work restores a part of her identity, but depends on Louise’s labor at home.

Routes Through the City

Louise’s working day begins before daylight. She leaves home, walks to the RER, changes at Auber, waits on the platform, and continues up Rue Lafayette before turning onto Rue d’Hauteville. The route is described as a hard, repeated advance, undertaken like a soldier’s march. Its precise sequence makes the commute more than a transition between scenes: it is the daily exertion that carries Louise from her own life into the Massés’ household.

With the children, the same city becomes a field of outings and stories. On Wednesdays after school, Louise takes them to a park or to watch fish at the aquarium. They row on the lake in the Bois de Boulogne, where she tells Mila that floating algae are the hair of a fallen, vengeful sorceress. At the end of a warm September, she decides to take them to the Jardin d’acclimatation. Near a metro station, an older North African man offers to help her carry the stroller down the stairs. Louise takes it herself; before she can explain that the children are not hers, he has bent toward them and praised them. The exchange briefly exposes the ambiguity of her position: in public, her constant care makes her appear to belong to the family she serves.

The children delight in the metro. They want to run along the platform and rush aboard for a seat by the window; Adam stands and imitates Mila holding the bar as though she were driving the train. These ordinary journeys place their lively dependence on Louise against the city’s crowds and hazards, while also showing how transportation becomes part of the children’s shared routine with her.

Parks, Neighbors, and Informal Networks

The square is both a place for children to play and a meeting ground for adults whose lives otherwise remain largely separate. Louise comes there daily, where Mila plays with Alphonse. Wafa offers Louise rich pastries, which Louise refuses, and tells her stories about men and her precarious life. Wafa has no papers; she describes arriving in France from Casablanca through her relationship with an older man and later agreeing to marry Youssef for twenty thousand euros in exchange for papers. The square gives her a listener, even though her account belongs to a life unlikely to be recorded elsewhere.

Among the nannies, public play space becomes a practical support network. They exchange job offers, discuss disputes between employers and employees, and bring complaints to Lydie, their self-appointed president. The square functions at once as a recruitment office, a place for grievances, and a small-advertisement board. Their talk also conveys the pressures of domestic employment: employers are described as miserly, distrustful, or troubled, while workers watch for surveillance and negotiate the limits of their jobs. When groups of young men arrive around six in the evening, the nannies gather coats, toys, and bags quickly and leave, their collective routine shaped by the perceived danger around the playground.

A month before the crime, a chance street encounter links Louise’s financial distress to another neighbor. She tells Rose Grinberg about her debts, her landlord’s harassment, and an overdrawn bank account, then offers to work evenings or early mornings, cleaning or ironing while the children sleep. Rose does not accept. Later, she reflects that accepting the offer might have changed events, a counterfactual that gives this brief exchange weight beyond its immediate circumstances. The city’s neighborly proximity provides a possible route to help, but recognition and assistance do not automatically follow from living in the same building.

After the Crime: The City as Witness and Search Ground

The building on Rue d’Hauteville is marked by the aftermath of the Massé children’s deaths. Neighbors gather below as an ambulance leaves under police cordon and sirens, trying to see inside and exchanging whispered information. Later, Rose Grinberg remembers a prolonged, terrible cry from the apartment. The building’s ordinary closeness—warm greetings among residents who do not know one another well—turns into shared awareness and sleeplessness. Some residents move away; the Massés do not return, while Rose remains with the memory of the cry.

The investigation follows the city’s dispersed traces. Captain Dorval questions Wafa at the Paris Police Judicial Police Headquarters, 36, where Wafa struggles to speak through tears. She recounts having visited the apartment on the morning of the murders: Louise opened the door only partway, Alphonse slipped inside to join the children watching television, and Louise refused Wafa’s suggestion that they go for a walk. Rose’s account places Louise elsewhere in the building later that morning. The police then search the neighborhood, showing her photograph at the square, the café Le Paradis, and the passages of Rue du Faubourg-Saint-Denis, questioning local shopkeepers and sorting testimony from invention. A supermarket surveillance recording becomes another urban trace, replayed repeatedly as Dorval studies Louise’s calm progress through the aisles.

Paris in the novel is therefore neither merely a backdrop nor a reliably protective community. Its streets and transport routes enable work and movement; its parks sustain informal networks among care workers; and its apartment buildings put neighbors within earshot without ensuring that they will intervene. After the crime, those same spaces become a map of testimony and investigation, joining the private household to a wider city that had been close enough to witness fragments, but not close enough to understand them in time.