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.

On the day before Easter in 1911, Don Hewes is crushed when his dancing partner (and object of affection) Nadine Hale refuses to start a new contract with him. To prove Nadine's not important to him, Don acquires innocent new protege Hannah Brown, vowing to make her a star in time for next year's Easter parade.