Nell loves nature and all kinds of animals, especially insects! One summer, she visits her grandparents' garden and meets Buzz, a friendly buff-tailed bumblebee. As she spends time with Buzz, Nell learns just how important and wonderful bumblebees are. But when a heatwave comes, the bees are in danger. Nell will do everything she can to save them – but she will need some help. Can you help Nell save the bees?