Aunt Agatha wants Bertie to marry Honoria Glossop so that she will mold his character and infuse much needed strong blood in the Wooster line. But old chum Bingo Little is in love with her, so Bertie hatches a scheme to set things straight. Luckily, Jeeves has arrived to save Bertie from his own schemes (and hangovers).

After a round of golf with Barmy Fotheringay-Phipps, Bertie find trouble in the form of Bobbie Wickham, first involving hot-water bottle piercing, then by giving away Aunt Agatha's dog to a broadway producer. Meanwhile Tuppy's become infatuated with an Opera singer and Jeeves hatches a plan involving a little concert in which Bertie must sing.

Uncle George has become engaged to a young waitress and Aunt Agatha wants Bertie to offer her a hundred pounds to end the scandalous engagement, but Jeeves has other plans. Then it's off to Twing Hall where Lady Wickhammersley has banned gambling due to an unfortunately incident in which Lord Wickhammersley lost the East Wing with a bad hand. So Bertie, Bingo, and Jeeves start gambling on events in the village fair, such as the Boys and Girls Mixed Animal Potato Race and the Mothers Sack Race.

Bertie is called to Westcombe-on-Sea by Aunt Agatha, delaying a vacation in the south of France. There he meets a girl by the name of Aline Hemmingway whom she wishes him to marry. She and her brother leave pearls as security for a hundred pound loan from Bertie. But when both the Hemmingways' pearls and Aunt Agatha's pearls disappear, trouble arises.

Meanwhile, Bertie runs into Biffy Biffen, who has lost his fiancé in the most remarkable manner. Unfortunately, he is unable to remember her last name - in fact he is unable to remember almost anything.

Cyril Bassington-Bassington arrives in New York under specific instructions from Aunt Agatha for Bertie to keep him out of theatrical circles - instructions which of course Cyril rips up before Bertie can read them. So he lands a part in a Broadway musical called Ask Dad! and Bertie tours the USA with the show.

Meanwhile, Bertie's struggling artist friend, Corky, needs help convincing his uncle that the girl he wants to marry is suitable. Unfortunately Jeeves' solution may be too good.

After a wild night with Catsmeat Potter-Pirbright, Gussie ends up in stir for wading about Trafalgar fountain looking for Newts. For purely simple and logical reasons Bertie goes to Devirill Hall pretending to be Gussie in order to win the aunts' approval of his marriage to Madeline Basset, and Gussie must go under the name Bertie Wooster to woo Catsmeat's fiancé, Gertrude Winkworth.