In this musical, the on-air rivalry between a married pair of American radio stars, each hosting a different show heats to boiling when they each have British evacuees on their shows. The wife gets a fellow who claims to live in a castle. A brouhaha ensues as he is believed to be the long-lost heir of a prominent lord. The trouble begins when her husband learns the truth about the supposed "nobleman." The wife doesn't believe her husband and so both set off for Merry Olde England to learn the truth. Many comical adventures ensue.