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.
During the year 1673, Rome was besieged by poverty and violence. The rich Mr. Argante has two servants to look after him, while his wife is only waiting to see him dead to inherit.