Zinnia Jakes has won the Wildside Zoo's endangered animals competition with her cute tortoise cupcake idea! But when she does more research about tortoises, one of her classmates starts asking too many questions... Can Zinnia Jakes remain the secret pastry chef everyone loves?

Zinnia's class is organising a super fun sleepover in the school's library while their parents are having a spy-themed party in the school hall. They even order a fabulous Zinnia Jakes cake. Everything is going according to plan until the parents set up a spy trap to catch the secret pastry chef... What will Zinnia Jakes do?

Zoe Jones is Zinnia Jakes, a nine-year old secret pastry chef! She makes the tastiest and most wonderful cakes. Together with her magical cat, Coco, her best friend Addie and her aunty Jam, they get into incredible adventures. When Zinnia Jakes gets a new pastry order for a special medieval crumbling cake, she has no idea where to start! It needs to be ready in less than a day for the school fair and the clock is ticking. Will she deliver it on time and remain the undercover secret pastry chef everyone talks about?