When twin Texas cities Bradfield and Hempstead compete for business by staging simultaneous expositions, Bradfield's event coordinator, Mr. J. D. Murdock, hires Jo Allen as his press agent to outdo Hempstead's Jimmy Maxwell. Posing as a newly-arrived schoolteacher named Judy, Jo befriends Jimmy in order to learn his exposition secrets, while her friend Mr. Churchill poses as "Jo Allen" at her request.