Catania, Italy. The Platania family hires a new French governess, the beautiful Caterina. The life of the whole family will be soon turned upside down.
Rita, a vivacious co-ed flees her boarding school with her music teacher, who is also engaged to her. She wants to take part in a singing contest but her father who is dead against it has her kidnapped. He finally gives in when his wife threatens to sing in the contest herself.
Leopoldo Lalumera, grandson of a wealthy eighty-four-year-old baron, infuriated during a galactic convention with a prosaic maid, discovers, on the eve of the wedding with his cousin Mariantonia, that he has become impotent.