It’s the first day of the 1963 school year at Voltaire High! And for the first time, girls and boys will mingle. This first year of coeducation is full of surprises, both for teachers and students.

An author returns to his hometown of Cognac for the first time in 35 years to help promote a distillery. Once there, he meets his first love’s son, Lucas. Memories come rushing back to him: irrepressible attraction, bodies becoming one in the heat of desire, a passion that can never be revealed… His first love’s name was Thomas. They were 17.