The sexual relationship between a successful woman and her brother, an introvert, hypochondriacal youth, who is also a pornophile.

Lorenzo, a handsome first-year professor in an isolated Italian village, falls under the spell of his most beguiling pupil, a dark-haired, starry-eyed 12-year-old named Duilio. As Lorenzo's relationship with his heartless girlfriend deteriorates, he finds himself walking the fields with his loving student. When their idyllic friendship is questioned by Duilio's suspicious stepmother, Lorenzo is brought to a crisis of conscience.

Via Montenapoleone in Milan is the ritziest street in the city and here the destinies of several characters, playboys, models and gays cross and diverge.

Anna, a beautiful lawyer's wife, feels abandoned by her husband and grows closer to their maid, Angela. The maid convinces Anna to try increasingly daring erotic games.