It's the twins last term at St Clares and everyone wants to make the most of it, but with Hilary gone, two annoying new girls and a weird new project with boys from a nearby boarding school, it will certainly be difficult.

After a fight between the four houses in the Great Hall, professor Dumbledore decides to put a stop to the constant arguments by showing clips of what happens in each house to make them understand each other better.

Umbridge has had enough. The students of Hogwarts are acting up, even some professors are! She decides to write a list of rules, but the students seem to take this as an invitation to mess around some more.

The next generation are sent back in time after an incident which involved James Sirius Potter, a time-turner and a jar of pixie dust. After they arrive in the future a few books appear and Dumbledore decides to read them to the whole of Hogwarts.