After 20 years away, Isabelle, a former climbing champion, returns to her village in the Alps for the funeral of her mountain-guide father. She decides to open up a new climbing route with the help of Kenza, her protégé - something she'd planned to do with her father. But the past and its secrets resurface through Antoine, a brilliant mountaineer who was Isabelle's first love.
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 ...