A wealthy woman discovers a vineyard worker with a beautiful operatic singing voice. She helps make him a star but then breaks his heart. He flees in misery to Mexico where he meets a sweet farm girl.
Ventriloquist Jerry Morgan has failed with another love affair. The reason: when the relationship reaches the point when it is time to discuss marriage, his two dolls become mean and jealous. Morgan's dollmaker Papinek is a member of a spy ring who has stolen the secret plans for the top-secret Lafayette airplane. Since Morgan is leaving for Zurich the same night, he decides to hide the secret plan in the heads of the dolls.
A young reporter's grandfather wins a sweepstakes, but it turns out that his ticket is phony. The reporter finds out that the police are looking for the criminal ring responsible for the phony-sweepstakes racket, so he and his young brother set out to track down the gang responsible and expose them.
