The staff at Hogwarts successfully petition to reintroduce some of the old fashioned methods of dealing with misbehaviour by pupils at the school and this sparks a number of changes in the school. Follows on from Harry Potter and the Old Wives Tale

Harry and Hermione are spending the holidays at the Burrow. Mrs Weasley finds it necessary to punish them in order to teach them some of the facts of wizarding life - that differ from the traditional facts of life taught to muggle children.