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.