After boarding his train to Sun Valley, Christine wins the man's affections and then shocks him with hints that she expects a commitment.

Once she's in Sun Valley, however, things become problematic when Christine falls in love with hotel bandleader Dick Layne (Van Johnson).

During her time in Sun Valley, Christine wins the title of "Duchess of Idaho" in a dance contest.

In November 1947, it was announced Esther Williams would appear in a film set in Sun Valley, The Duchess of Idaho.

[4] Robert Cummings was originally mentioned as a potential male lead[5] but the role went to Van Johnson, who had made three films with Williams before.

The deleted songs were: The first two performances would later surface on a special DVD packaged in a 2004 box set of the That's Entertainment!