Edwina, the daughter of Lord Linley, is taken to London by her Aunt to be presented at Court and brought out as a debutante. Unfortunately her Aunt has an accident which kills her and Edwina realises she will have to go back to the county having attended none of the balls as she had hoped and expected. As her father is in France being treated for his arthritis, she knows it will be very depressing being at home in their house in Worcestershire. Unexpectedly Betty Brook, who is the daughter of the local vet, but who has become a Gaiety Girl, comes to see her and Edwina is persuaded into taking Betty's place in the Gaiety Theatre for one night while Betty attends her father's funeral. How the one night becomes a visit to the Earl of Atherton's magnificent house in the country for a weekend party. How Edwina finds there are many difficulties and dangers attached to pretending to be a Gaiety Girl is all told in this fascinating book by Barbara Cartland.