[1] An honest U.S. senator travels to Louisiana to investigate corruption in the Louisiana Purchase Company; the company's lawyer attempts to divert him via the attentions of two beautiful women, but the senator maintains his integrity and ends up marrying one of them.

In 1941 it was adapted for the film Louisiana Purchase directed by Irving Cummings.

The show opened at the Shubert Brothers' Imperial Theatre, New York City on May 28, 1940 and ran for 444 performances.

It was produced by Buddy De Sylva, who also wrote the story, and staged by Edgar MacGregor.

On June 19, 1996, a concert version with the complete score was recorded at Carnegie Hall (during four performances), including three additional songs cut from the original album.