 Belinda starts learning the Clarinet, an expensive instrument that she becomes paranoid about getting damaged. Annette hides it in the boys  changing rooms for a laugh, but Belinda is not amused, and nor is Pogo when she bursts in while he is changing. Annette s joke backfires when they find the clarinet gone, and Mr. Baxter tells the girls off when he finds them skulking around. Belinda s mum is annoyed when she finds out the loss, but the clarinet is insured: Fay and Annette have to fork out the first £20 from their savings.