Enter the terrifying world of the supernatural and meet a ghostly Victorian child with disturbing powers, two children with a gruesome plan, a boy who suddenly realizes that he is a ghost, and even a bizarre ghost puppy.
Could there be buried treasure in the school grounds?
Why have all the teachers been replaced by pirates?
What is that no-good nose-hair Kenningworth up to?
And who is that strange new boy called...um...Newboy?
Can Mildew and Sponge save the day (and their school)?