At the age of 39, Nina finds herself a trainee nurse under the orders of Léo, a 15-year-younger "girl" with a difficult temperament, and Dr. Proust, who likes to scare her ... Not easy ! Especially for all, Nina is the wife of the boss, Costa Antonakis, his ex with whom nothing is really settled despite their divorce. But after healing Lily, their daughter, for ten years, nothing scares Nina! With years spent in hospitals in contact with doctors such as nurses and health-care aides, Nina, the daughter of a great internist and a renowned obstetrician, runs the risk of disappointing them to trace her own path in the hospital universe to which she can not really escape ... Listening and care as a profession of faith, the desire to live and love as a prescription ...

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.