Stéphane defers his frustration at not having had a son on his sons-in-law. So when her younger daughter decides to leave a rugby player than the idolatrous father for a doctor he can not stand, he will do everything to get his son-in-law back. His daughter will not let it go.

Lea, Adrian, and their little brother Theo, born deaf, go on holiday in Provence with their grandfather, Paul “Oliveron” they never met because of a family quarrel. It is not the holidays they dreamed, especially their father announced yesterday that he was leaving the house. In less than 24 hours, it is the clash of generations between teenagers and a grandfather they believe psycho. A wrong. Because the turbulent past will resurface and Paul Seventies will land deep in the Alpilles. During this summer tormented both generations will be processed one by the other.