Conceited singer Garry Mitchell refuses to renew his radio contract, so agent Doug Blake decides to find a new personality to replace Garry. In New York, he finds Martha Gibson, a single mother with a great voice. He arranges for her to move to Hollywood, but then has a problem trying to sell her to the show's sponsor. Doug tries every trick he can think of to make Martha a star, and as the two work more closely, he falls in love with her. Complicating matters further is when Martha meets and becomes attracted to Garry.
With the advent of the American Civil War, three partners in a ranch see how this is destroyed. Needing money, will join the Confederate troops, each for their particular motivations.
Georgia Garrett is sent by jealous wife Elvira Kent on an ocean cruise to masquerade as herself while she secretly stays home to catch her husband cheating. Meanwhile equally suspicious husband Michael Kent has sent a private eye on the same cruise to catch his wife cheating. Love and confusion ensues along with plenty of musical numbers.