Bilgi :Catherine, a rich woman of brittany, engage Sophie as maid for her great house. Sophie is illiterate but nobody know it, and she've shame of it. She become friend with Sophie, the post office employee, a woman not very sane, jalous about Catherine and her husband Georges.Sophie, a quiet and shy maid working for the upper-class family Lelievre, hides her illiteracy under the cloak of a perfect household and obedience. She finds a friend in the energetic and uncompromising postmaster Jeanne, who encourages her to stand up against her bourgeois employers. Things start to escalate as the Lelievres find out that Sophie can't read and has brought Jeanne into their house against their wish.