It installs as a school teacher in the Italian countryside, he will make the grade for small farmers, of all ages through adolescence.
Behind this young man, charming, sweet, kind considerate and pleasant hides a tortured boy, disturbed; sometimes almost ashamed of loving boys. He falls in love with turns his junior, aged 11 to 15 years with pain and held it like he did love them, but always with a guilt-back taste: that the forbidden love; "The love between two boys."
This is not the time small age difference that consumes him, but the feeling of not being a man "normal" and committing a "sin".
While it has only 21 years, in 1943 he will meet the love in the eyes of Nisiuti, an adorable little peasant 14 and a half years. He will do everything to seduce him to attract his favor. For three years, they will love, Paolo (the hero) think they will live together until the end of their lives, but religious morality will gradually move them away from each other ...
Impure acts is a work full of tenderness, passion and love, PP Pasolini wrote modestly, despite the ban at the time, there is no evil here, no vulgarity, he does not talk about sex, but of love!