As told to a psychiatrist: Mr. Peabody, a middle-aged Bostonian on vacation with his wife in the Caribbean, hears mysterious, wordless singing on an uninhabited rock in the bay. Fishing in the vicinity, he catches...a mermaid. He takes her home and, though she has no spoken language, falls in love with her. Of course, his wife won't believe that the thing in the bathtub is anything but a large fish.
Englishmen fighting Nazis in Africa discover an exotic mystery woman living among the natives and enlist her aid in overcoming the Germans.
The Randolph family have a tradition of working in the British colonial service. Clive comes home from a mission in the Gold Coast of Africa accompanied by his wife Helen. He discovers his younger brother John, is not keen on following in his footsteps. John is then persuaded to try colonial service by his grandfather. He is accompanied by Clive who has been sent to investigate the source of a series of radio broadcasts that are sewing unrest throughout the world. These may be linked to Hugo Zurof, a man plotting to rule the world.
Eleanor and her parents are hunting big game, acompanied by her wimpish fiance.
Madge Winton, a beautiful secretary, makes herself look homely in order to avoid advances by lecherous bosses. When her new employer, writer Freddy Matthews, accidentally sees her without her disguise, she has to pretend to be her roommate Sadie.