In 2008, Sami Benboudaoud discovered the hell of Neuilly-sur-Seine. Ten years later, now that everything is for the best for Sami who brilliantly completes his studies of political science, nothing will go for his cousin Charles of Chazelle.

After a miscarriage of justice that has led her behind bars, Constance Meyer has decided to take a new career path. At age 50, the farmer and mayor of her village became a student at the National School of the Judiciary.

Samy moves from the underdeveloped crime-ridden French suburb to the riches of Neuilly.

Chloé Saint-Laurent is a profiler and works with a police team to solve murders in Paris. She's very sweet, she wears very colored clothes and a huge yellow bag. She looks like a little girl who need a doll, but she's very smart and a very good profiler. Step by step, she fit in the team and her colleagues, very reserved at first, became her best friends.