Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

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

Jerry Mulligan is an exuberant American expatriate in Paris trying to make a reputation as a painter. His friend Adam is a struggling concert pianist who's a long time associate of a famous French singer, Henri Baurel. A lonely society woman, Milo Roberts, takes Jerry under her wing and supports him, but is interested in more than his art.

Tigri and her stone age friends, all of which are women, hate all men. However, she and her Amazon tribe see men as a "necessary evil" and capture them for potential husbands. Engor, who is smarter than the rest of the men, is able to escape them. He discovers fire and battle enormous beasts.