When Willie leaves home to join the war effort he is all ready to become a hero, but he is only frustrated when his posting ends up to be in his home town, and he is recruited into training, keeping him from the action. However, when he finds himself accidently behind enemy lines he unexpectedly becomes a hero after all.

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 two failed marriages, a disillusioned woman returns to her hometown to start life anew.