France. End of the 19th century. Louise Violet (Alexandra Lamy) 40, a Parisian teacher, is sent on a mission to the French countryside. But in a place where the daily life is linked to the seasons, land and crops, she must first convince parents to send their kids to school. With the help of the mayor (Grégory Gadebois), she is gradually accepted by the parents and their children. But soon, her past catches up with her. Despite the obstacles she faces, Miss Violet will give her heart and soul to her belief that education is the key to freedom.