When a ghost haunts Canterlot High, the girls wonder how to deal with such an entity. Desperate, they seek the help of the Princess friend who knows friends who can help them. But with the Real Ghostbusters retired, the Princess will have to send in the next best thing. The Extreme Ghostbusters. Will the college university ghost catchers catch the ghostly menace of the girls school?

Continuation following the events of fics The Pony Ghostbusters and A Ghost of a Nightmare