In 1951, two years after the “scandal” of the Fiamma che non si spegne, Cottafavi got the opportunity to work on a film with a small production company, Novissima Film. With little means, a number of technical and financial problems and working Sundays with the pieces of film given to him bit by bit, Cottafavi shot Una donna ha ucciso, a minor film that marked his comeback to directing. (Gianni Rondolino)
To get ahead after he answers a newspaper ad for a business proposition, Passaguai borrows the more impressive apartment of a retired actor and arranges an elaborate luncheon there.
When Passaguai family patriarch Giuseppe (Fabrizi) decides to take advantage of a corporate discount to bring his wife (Ninchi) and children to spend a Sunday at the beach of Fiumicino, a series of troubles begins for everyone, in the form of a comic nightmare.
A wealthy, possessive husband's investigation reignites his young wife's past love, leading them to plot against him. As obstacles fall away, their passion faces a new test.
Melodrama of sexual cravings: The bored wife of a horse breeder is the object of attention by both a stud keeper and a half idiot stable hand.The young daughter of the household is later added to this mixture of passions.