At last! At last! I will have my revenge!
Ditta wants to be a detective - and when her best friend Max tells her that his new bedroom is haunted she has her first mystery to solve. But as the spirit starts to communicate through Max’s computer, Ditta discovers they could all be in terrible danger.
With the help of the school ghost Hilly, Max and Ditta must unravel the truth quickly - before the spirit carries out his terrifying plan of revenge ...