Agnès Jaoui co-writes and directs this romantic comedy of manners set in France’s rustic Provence. Unpolished and ultra-pragmatic industrialist Jean-Jacques Castella (co-scripter Jean-Pierre Bacri) reluctantly attends Racine’s tragedy “Berenice” in order to see his niece play a bit part. He is taken with the play’s strangely familiar-looking leading lady Clara Devaux (Anne Alvaro). During the…