In this musical-comedy, Dean Martin plays an American hotel mogul who becomes smitten with a young Italian woman (Anna Maria Alberghetti) when buying a hotel in Rome. To marry this gal, he has to get her three older sisters married off.

After a wild night, wealthy Michael Reston's adulterous wife Charleen comes home with her ripe young body barely concealed by a dress in rags; murder results. Top defense lawyer J.G. Blane, whose own marriage exists in name only, arrives in Desert View, Nevada to find the townsfolk and politically powerful Sheriff Hoak distinctly hostile to the Restons. In due course, Blane discovers he's been "taken for a ride," and that quiet desert communities can be deadly...