Casanova, a young patriot in 18th-century Sicily, upon learning that his father and sister have been murdered, returns to Palermo and engages in guerilla tactics against the forces of the Governor. Lady Bianca, the Governor's daughter, is in love with one of the patriots, Lorenzo, and desires to escape from the palace. Her lady-in-waiting, Zanetta, enlists the aid of Casanova and he rescues them and takes them to the partisan's camp. The rebels are victorious. Lady Bianca makes plans to marry Lorenzo, and Casanova and Zanetta have similar plans.

Spoiled socialite Cynthia Grace is suffering from a blood clot. Not unexpectedly, Tommy Coalt falls in love with Cynthia, much to her parents' dismay. Soon he's drawing up plans to marry the girl and setting up private practice in a smaller town.

Horace Vendig always gets what he wants. Even as a poor youth, he charmed his way into high society by getting the father of his friend, Martha, to foot the bill for his Harvard education. When Vic, another childhood pal, is invited to Horace's mansion for a party, he brings along Mallory Flagg, who happens to bear a striking resemblance to Martha. As Vic and Horace reunite, old resentments rise to the surface.

Light bio-pic of American Broadway pioneer Jerome Kern, featuring renditions of the famous songs from his musical plays by contemporary stage artists, including a condensed production of his most famous: 'Showboat'.