Donatella is a simple and honest roman girl, daughter of a bookbinder and girlfriend of Guido, a gas station owner. One day she finds a woman's handbag containing valuables and documents, and decides to return it to her owner, a wealthy American lady, who offers Donatella a job as a secretary as a reward: she has to manage the lady's villa during her absences. There, Donatella casually meets Maurizio, a rich, elegant and well-educated young man, and ends up falling in love.
Redhead Mary is a girl who dresses like a man to better approach, and rob the jewels worn by the pretty ladies of her time.
Count Alberto has lost his wealth at the gaming table, he wants to commit suicide but is stopped by a doctor who offers him an exchange, a week of life with how much money he wants and then be a guinea pig for a new drug (and maybe die).
