Victoire Bonnot is a senior educational counsellor in a provincial high school. She practices her profession with passion, enthusiasm and... determination. She applies her unusual methods to ensure that school life runs smoothly and doesn't hesitate to shake up the slightest obstacle in her path that might prevent her from achieving the goal she has set herself: helping others. Her strong character and humour are both her best assets and her worst faults. To solve students' problems, correct an injustice or simply take part in a class council, Victoire Bonnot is ready for anything and lets nothing go by.

A new student, Nathan Martins, is coming to the school. The teenager is quite mysterious, lonely and intriguing Victoire Bonnot, the senior education counselor. She soon suspects Nathan's father, Raphaël Martins, of beating his son. Victoire decides to notify the social services but, at the same time, tries to understand the relationship between father and son... The truth suddenly appears to her, very different from what she had imagined... But, Victoire also has her own torments... She is going to be the victim of a raven which gives rise to a rumour that she is responsible for the suicide of a student in her former school...

Confronted with serial drinking problems among the students of her high school, Victoire sees her old demons resurface... How do you tell teenagers that alcohol is bad for you when you're an alcoholic yourself? The situation gets worse when Victoire's daughter, discovering her mother's secret, also starts drinking and dating an unhealthy and manipulative student.

How can you be a teenager and a mother at the same time? Victoire Bonnot will have to deal with this new problem facing Zoé, a young high school girl. She is still in shock after she denies the pregnancy and starts giving birth in the middle of class. The parents are overwhelmed by the event and are unable to see their little girl as a woman. Victoire, a strong-willed CPE, will once again use her own methods to help Zoé. Zoé will have to find a balance in her new life as a high school mother.

Victoire discovers the secret of Patricia, a popular student who in fact conceals her modest condition and the fact that she is an illegal immigrant. Victoire will help her, even if it means practically outlawing herself. She will also have to deal with an unforeseen event: the arrival of her mother. The least we can say is that the relationship between the two women is not the easiest!