Winter in Mulbury and frost hardens the ground. The tourists still flock to the little town to buy jams and pickles, second-hand books and upcycled clothing, but they're clad in woollen coats and hats. Rosemary Exeter keeps warm making marmalade in her kitchen, surrounded by baskets of lemons, much to tabby cat Sunny's disgust. When Jasper Lu uncovers a skeleton in his back yard, the town suddenly becomes much busier. The police arrive,...