Margery and Penny are baking rivals hoping to win the Women's Institute District Best Homemade Fruitcake competition. As Margery sets about preparing her best recipe with the help of her trusty cookbook - The Perfect Fruitcake by Bunty Crow - she is so obsessed it hardly registers when she catches her husband in bed with their housekeeper, Marie-Babette. Then comes the shocking news that Penny has died in a car crash. Was this Margery's fault for wishing such a thing? Soon enough though, guilt ...