When she was seven, Elise Gardet witnessed her mother’s brutal murder. Ever since, she has tried to forget this unsolved crime. Now she’s 18 and beautiful, but her bourgeois family and her stepmother’s anxiety are suffocating her.
When Ilan Halimi is kidnapped for ransom because Jewish and supposedly rich, his family and the police start a race against time to save him from the tortures of the "gang of barbarians".
Lila, a grief-stricken mother reeling from her son’s murder, attends a support group where she meets Eve, who urges her to take matters into her own hands to track down her son’s killers.
A reporter, fired after refusing to give names to a 1951 House Un-American Activities Committee, takes a part-time job as companion to an old lady. While working she overhears a noisy argument in the neighboring house, being conducted largely in German and involving her HUAC prosecutor. She begins to investigate, enlisting the help of the FBI Agent initially detailed to surveil her.
All begins in a rundown bar outside of Paris where a regular man realizes he has a winning lottery ticket only to be shot in a crime that needs to be quickly covered up.
In a luxurious seaside villa, a modest young woman finds herself in the company of a strange family: an unknown and wealthy father, his extravagant wife, his daughter, an ambitious woman, a rebellious teenager, and their creepy maid.