Pippin and her little mouse Tony are playing hide and sleep seek in Granny's garden, when Pippin peeps into the garden shed, and sees a very strange door that she's never noticed before.How did it get there, and where does it lead to?Well one thing it leads to is a crazy new adventure for Pippin, Granny, Mungo, Tony, Oddplop the frog.Soon they are on the trail of Evil doctor Blowfart and his thieving ghost monkeys Lumpkin and Bachacha, to recover a very important magical golden Mayoral Chain!