A prima donna hires a man to pretend to be her lover so as to protect her from an unwelcome suitor. Unbeknownst to her, he is a tenor in disguise.

Having become famous, a painter marries his model whom he soon brings to despair by deceiving her.

On his way to Paris, Casanova keeps on collecting female conquests, does not shy away from duels and gets into many a colorful adventure. Once in the capital, the fearless knight saves the honor of a great lady, conquers the niece of his implacable enemy but courts disaster for love of Coraline, a faithless opera dancer.

Filmed operetta about a wealthy Provencal man who puts those lining up for his inheritance through a series of colorful adventures, only to reveal to them at the end that the whole thing was just a joke.