Adeline is a young girl who lives with her stepmother, Emma and her lover,Gérard after her father died. She seeks at all costs to move away from the house, judging them far too perverse and alcoholic, thus finding their presence harmful to flourish and attend normal schooling. So she decides to enroll in a boarding school for young girls, led by a friendly old lady and a supervisor general severe. The latter will finally confess to be a lesbian disgusted with men, and a heart of artichoke. Throughout the school year, between classes, physical activities, outings with boys and dormitory for girls, Adeline will discover new pleasures .