Ana is twelve years old. Her body is in full bloom, and her first adolescent desires are as exhilarating as they are unsettling. But the discovery of a mysterious letter will sketch the outline of a family secret kept hidden which will increase Ana's anguish.
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.