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

Two sailors on shore leave head out for four days of partying – only to become involved in the affairs of an aspiring singer and her precocious nephew.

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.