Bibi, the young witch from Neustadt, is excited: the big international witches' convention is taking place on the Blocksberg and she and her friends Schubia and Flauipaui are allowed to be there as volunteers. But just as the future of the young witches is at stake, events take a turn for the worst and complete chaos ensues! The old witches of Neustadt suddenly start behaving like unpredictable teenagers and the young witches have their hands full not only trying to bring order to the chaos they have caused...