At a Union-Army Civil War prisoner-of-war camp, a group of Union soldiers and their Confederate prisoners engage in a singing contest, each trying to outdo the previous offering.

A scatterbrained heiress opens her home to a succession of unemployed actors and vaudeville performers, then decides to produce her own show, much to the consternation of her father, her sister and her sister's boyfriend, who is actually after the young girl's money.