Using her best social-climbing instincts and refusing to be embarrassed, Lucia sets out to conquer London and mingle with the beau monde. Soon a secret group of 'Luciaphiles' springs up; the social climbers who make up its rank never tire of watching her get into and out of all kinds of trouble.

Taking the position of mayor in the town of Tilling brings much delight to Lucia. However, with her local rival Miss Mapp around, trouble is never far away.Lucia is elevated to her new position with Georgie Pilson as her sidekick, confidant, and escort. Lucia and Georgie renew their acquaintance with the opera diva Olga Braceley and the composer Cortese, but nobody in Tilling believes Lucia when she claims to have entertained a duchess.

England between the wars was a paradise of utter calm and leisure for the very, very rich. But into this enclave is born Mrs. Emmeline Lucas - La Lucia, as she is known - a woman determined to lead a life quite different from the pomp and subdued nature of her class. With her cohort, Georgie Pillson, and her husband, Peppino, she upends the greats of high society.

Arch enemies Mapp and Lucia return in the next instalment of E.F. Benson’s classic series of rural snobbery. Lucia is now a permanent resident of Tilling and continues her way up the social ladder with gusto, making attempts through the Town Council, finance, a platonic marriage and even the cricket club.

Miss Elizabeth Mapp, magnificent grande dame and heiress, is always on the lookout lest her neighbors fall outside the bounds of perfect, exemplary manners. But her tightly controlled world is soon beset on all sides by interlopers, first in the disturbingly masculine form of two very different retired army officers, both of whom are anything but retiring in their conflicting aims upon her heart.