Summer 1998. Countryside. Cassandre is 14. Her parents and older brother notice that her body has changed.
The daily lives of the inhabitants of "le Mistral", an imaginary neighbourhood in the Mediterranean port city of Marseille, where wealthy families cross paths with the less than rich.
Opposites Adam and Evan live in a small village in the French countryside. They go to the same high school but have never spoken to each other. During the summer holidays a prank lands the pair in trouble, and as a result they are forced to get to know each other.