Gopher City Kansas hosts a beauty contest. The winner, Elvira Plunkett, and her mother go to Hollywood. The Chamber of Commerce also provides Elvira with an agent, Gopher City's own Elmer J. Butz. Elmer likes Elvira and the shy Elvira likes him, but Mrs. Plunkett, a formidable woman, has little use for hapless Elmer. On the train west, they meet movie star Larry Mitchell, who takes a shine to Elvira and helps her meet MGM directors once they get to Tinsel Town. Elmer, meanwhile, wants to help Elvira with her career and he also wants to be her man. Movie stardom does come to the Gopher City entourage, but to whom is a surprise. And who will win the lovely Elvira's hand?
Sally is an orphan who was named by the telephone exchange where she was abandoned as a baby. In the orphanage, she discovered the joy of dancing. Working as a waitress, she serves Blair (Alexander Gray), and they both fall for each other, but Blair is engaged to socialite Marcia. Sally is hired to impersonate a famous Russian dancer named Noskerova, but at that engagement, she is found to be a phoney. Undaunted, she proceeds with her life and has a show on Broadway, but she still thinks of Blair.
Joe Lane, radio entertainer and songwriter, learns that the manager of the studio, Arthur Phillips, has made improper advances to his wife, Katherine. Infuriated, Lane engages him in a fight, and the encounter results in Phillips' accidental death. Joe goes to prison for a few years, and when he is released he visits his son, Little Pal, at school and is begged by him to run away together.
The vaudeville act of Harriet and Queenie Mahoney comes to Broadway, where their friend Eddie Kerns needs them for his number in one of Francis Zanfield's shows. When Eddie meets Queenie, he soon falls in love with her—but she is already being courted by Jock Warriner, a member of New York high society. Queenie eventually recognizes that, to Jock, she is nothing more than a toy, and that Eddie is in love with her.
A young Jewish man is torn between tradition and individuality when his old-fashioned family objects to his career as a jazz singer. This is the first full length feature film to use synchronized sound, and is the original film musical.