Between the doves and the vultures, ThÔerßese, Pierrette and Simone, the three inseparable little girls from the Saint-Anges school, suddenly open the doors to knowledge. In four days, carried out to the rhythm of a Brahms symphony, these characters encounter the hostility of Mother BenoÒite-des-Anges, stepmother and cruel director, while preparations for Corpus Christi are well underway.