Newly emancipated from an unwilling participation in the fish business, Psmith donates an umbrella (not his own) to a damsel in distress; and to further press his suit, he follows her to Blandings in the guise of an absconded Canadian poet.

And, from the best possible motives, Psmith is also embroiled in a plot to steal Lady Constance Keeble’s fabulous diamond necklace – an endeavour which brings him into conflict both with professional rivals, and with the ever-vigilant Baxter, Lord Emsworth’s efficient secretary, and amateur flowerpot flinger…