Enrico Caruso's only passion is to sing. For that, he leaves his hometown of Naples, Italy, and travels to America to sing for the Metropolitan Opera. At first, his lack of education and poor background make him an outcast in the high-class opera world. Eventually, his voice wins him both fans and the hand of his love, Dorothy. But his nonstop pace and desire to perform at any cost eventually take their toll on the singer's health.

The Ed Sullivan Show is an American TV variety show that originally ran on CBS from Sunday June 20, 1948 to Sunday June 6, 1971, and was hosted by New York entertainment columnist Ed Sullivan. It was replaced in September 1971 by the CBS Sunday Night Movie, which ran only one season and was eventually replaced by other shows. In 2002, The Ed Sullivan Show was ranked #15 on TV Guide's 50 Greatest TV Shows of All Time.

Climbing to fame, Irish-American composer Ernest R. Ball romances a showgirl, who catches the eye of an underworld character.