Watch out for ghost goo. Tom's stuck at home with his horrible sister, Lola. But there's something stickier hiding out in his cellar - a slime-dripping ghost called Hugo. But harmless Hugo is in the goo too, because he's being haunted - by a much bigger, badder, Incredibly Revolting Ghost. Lucky for Tom that his Granny's best friend just happens to be a world-famous ghosthunter...