Five years after meeting her three fathers, Sophie Sheridan prepares to open her mother’s hotel. In 1979, young Donna Sheridan meets the men who each could be Sophie’s biological father.

In 1927 Hollywood, a silent film production company and cast make a difficult transition to sound.

Millie Dillmount, a fearless young lady fresh from Salina, Kansas, determined to experience Life, sets out to see the world in the rip-roaring Twenties. With high spirits and wearing one of those new high hemlines, she arrives in New York to test the "modern" ideas she had been reading about back in Kansas: "I've taken the girl out of Kansas. Now I have to take Kansas out of the girl!"

A home, a motorcar, servants, the latest fashions: the most eligible and most finicky bachelor in Paris offers them all to Gigi. But she, who's gone from girlish gawkishness to cultured glamour before our eyes, yearns for that wonderful something money can't buy.