Five years after their summer together in Barcelona, Xavier, William, Wendy, Martine and Isabelle reunite.
A young woman arrives in Paris where she finds a job as a waitress in bar next on Avenue Montaigne that caters to the surrounding theaters and the wealthy inhabitants of the area. She will meet a pianist, a famous actress and a great art collector, and become acquainted with the "luxurious" world her grandmother has told her about since her childhood.
Nora and Léo, 16, live in the same town, in the same suburbs, go to the same highschool, but everything opposes them: their social backgrounds, their families religions, their everyday lives. Yet, they fall in love at first sight. But from a theft accusation bringing into conflict their respective families, their love story will have to face a series of trials and dramas.
