It's 1930. The father of the young Sylvie kills his wife and the before himself committing suicide. The girl is entrusted to her uncle, a libertine with two women. He sends Sylvie to a boarding school, where the discipline is very strict. The director does not hesitate to resort to strict corporal punishmen. The young boarders compensate for the rigours of their education while devoting themselves to sexual encounters. Sylvie is initiated by Claire, who becomes her best friend
