The film is a love story which tells the impossible tale of two youths who have never before met. The action unrolls in Paris between 1979 and 1980.
Natacha Régnier
as Sarah Dacruon
Adrien Michaux
as Pascal
Alexis Loret
as Manuel
Denis Podalydès
as Guigui, alias l'Innomable
Olivier Gourmet
as Jean-Astolphe Méréville
Camille Carraz
as Christine
Jérémie Renier
as Cédric
Christelle Prot
as La femme kurde
Julia Gros de Gasquet
as La professoresse de surréalisme
Benjamin Lazar
as Michel