Hettie Bagshot and her sidekick Tilly Jenkins run the No. 2 Feline Detective Agency from the back room of the Butters' High Street bakery. They are asked by the organisers of the prestigious local literary festival to act as security. But when the body of one of the most popular authors is found in a secluded part of the festival grounds, Hettie and Tilly must turn their attention to investigating the death of Downton Tabby...