In the pre-Civil War South, a plantation owner dies and leaves all his possessions, including his slaves, to his young son. While the deceased treated his slaves decently, his corrupt executor abuses them unmercifully, beating them without provocation, and he is planning to sell off the father'e estate--including the slaves--at the earliest opportunity so he and his mistress can steal the money and move to France. The young boy doesn't want to sell his father's estate or break up an of the slave families, and he has to find someone to help him thwart the crooked executor's plans.

A newspaper editor turns a kidnapping into the banner headlines and exclusive story that could save his publication.

Jeff grows up near Basin Street in New Orleans, playing his clarinet with the dock workers. He puts together a band, the Basin Street Hot-Shots, which includes a cornet player, Memphis. They struggle to get their jazz music accepted by the cafe society of the city. Betty Lou joins their band as a singer and gets Louie to show her how to do scat singing. Memphis and Jeff both fall in love with Betty Lou.

Unscrupulously ambitious, Brutus Jones escapes from jail after killing a guard and, through bluff and bravado, finds himself the emperor of a Caribbean island.