After Cooper Davies Burtonburger and Dennis Lawrence Chan were sent away to a strict boarding school, Fiona Munson was on her own to find out about Mr. Kat, despite that she doesn't remember anything about Mr. Kat being an evil alien... Lorne Carnage, Harley Doomsday and Millie Burtonburger refuse to participate in the scenery. Fiona Munson was on her own to find out.