The Lake of Menteith is Scotland's only lake. Its environs include a wealth of historical and mythical evidence. When William Graham, Earl of Menteith, opens an old, red, leather book which he finds in the grounds of Inchtalla Castle, he has no idea of what he is about to unleash. Zander and his crew of goblins are desperate to work for the Earl but will their natural gift for mischief prevent them from retaining their freedom?