Virginie Thévenot, a somewhat special math teacher, takes advantage of a general strike in a college to try an extraordinary experiment with a small group of students. She takes a bet: let them do what they want... A spark that will ignite the spirits of teenagers, cause a small revolution within the college, and turn their lives upside down.

Thomas, a blasé young man, spends his nights in clubs and his days in bed. Until his father, Dr. Reinhard, fed up with his son’s escapades, cuts him off completely and forces him to take care of one of his young patients. Mar- cus, 12, was born with a serious congenital disorder. He lives with his mother in the poor suburbs of Paris and spends his days either at the hospital or in a center for sick children. This encounter will disrupt their lives and change them both, profoundly and forever.

What's the worst that can happen to a police officer? Definitely an unresolved investigation. This is what happens on Boxing Day 1999. Charlotte Meyer, an 11-year-old girl, disappears without a trace. Captain Pierre Castaing, in charge of the investigation, fails to find her. Where did she go? The mystery remains intact ... A few hundred kilometers away, a young investigator finds herself confronted with a similar disappearance ...

School is over. Benjamin is five years old and goes on vacation to the sea with his mother and 12-year-old sister. "A comme Azur" is the chronicle of this summer which unfolds all the letters of the alphabet.