Araminta's Aunt Tabby has won a Transylvanian holiday for four so she and all the adults of Spook House are going for a much-needed break but it just so happens to be Araminta's birthday, too. So who will keep an eye on Araminta and her friend Wanda? Mathilda, Araminta's 'grown up' cousin, arrives to babysit, along with two rowdy teenage ghosts.