Life is strange and worrying for a cadet who arrives in the Pacific in the colonial service. And the testy resident commissioner, who had been expecting an experienced man, soon shows his disapproval.

Rich Sadie Patch is marooned on a desert island after an emergency on her cruise-ship. With her are Irish stoker Pat, prickly young Jimmy Carrol, and bald and bookish Professor Gibble. All fancy their chances.

The hero and heroine want to popularize trad jazz in their town. Some older people feel displeased about trad jazz, and prevent their trying. The hero and heroine go to a London television studio to ask trad jazz musicians to perform in concert.