A black voodoo priestess comes out of the Louisiana swamps to take revenge on the white plantation owner she believes killed her husband. The old conjure woman Mandy returns with her daughter Chloe to their bayou home after fifteen years. Chloe was too young to remember much about the bayou, but once Mandy had been a famous voodoo priestess in these parts. But after the whites lynched her husband Sam, she took her little girl & moved away into the Everglades. She seems to have gone a little mad in the intervening years & has returned swearing a belated vengeance against the murdering white folks.
Chorus girl Patsy Shaw crashes a high-society party, meets playboy Charlie Breen, they fall in love, and are on their merry way to wedded bliss. However, Charlie's snobbish, ever-loving mama doesn't think that Patsy is worthy and sets out to prove it.
"An average American family", the Middletons, visit the 1939 World's Fair and witnesses the advent of future technology, encountering robots and dishwashers for the first time.