Cackle's Academy is a thousand years old and Hettie and her friends are horrified to learn the staff have not prepared a special celebration. They wonder if it has anything to do with the famous 'Curse of Cackles' which predicts that the school will crumble into dust if a witch flies around it anti-clockwise three times. The highlight of the teachers' plans is a solo performance of the school song from Dyllis Mustardseed, who is terrified by the very thought. So Hettie, Mona and Cressie make her a transformation potion - a potion which will make bad people good, and shy people confident. To their amazement it actually works, but inevitably Hettie cannot resist the temptation to try some of the potion herself - just to see what will happen. While under the influence of a potion, Hettie sets