In P.G. Wodehouse's famous novel, Freddie and his uncle are in difficulties. Freddie wants to start a bookmaker’s business and to marry Eve, while his uncle wants to raise money, unbeknown to his wife, to help a runaway daughter. Freddie persuades his uncle to steal his wife’s necklace and sees Psmith’s advertisement in a daily paper.
Freddie enlists the services of Psmith to steal the necklace. There are plots and counterplots. Psmith steals, not the necklace, but Eve's heart.