The villain Albert escaped with a book of magical recipes! With its help you can commit many dangerous crimes! They say Albert is hiding in a distant boarding school. And this means that Winnie and her friends must go there as soon as possible! But getting inside is not easy: the school is surrounded by a moat and protected by a cunning security system. And the children who study there behave very suspiciously. What's really going on behind the walls of the mysterious school? And will Winnie and her friends be able to find the magic book?