Curly's dad is furious to discover that his potatoes are smaller than his neighbour's, so he tries a secret recipe to make them grow. But next morning they have gone, and Curly finds that gigantic man-eating vegetables have replaced the villagers. How can she save her dad and the villagers
Eric's aunt gives him a stripy jumper and tells him it possesses magical powers. It can turn the wearer into a genius, so long as it is never washed. Eric's teacher is so impressed that she enters him in the Junior Brain of the Year contest and it's here that the trouble begins.