Rose has been selected for the National Academy of Brilliance! This is an opportunity like no other and naturally she's devastated. It means she has to leave MI High for good! Frank issues Oscar and Carrie with a mission. Dr Vince is a genius inventor. His inventions surpass any that MI9 have and this poses a threat to national security.

The spies put Flopsy up for ransom in exchange for Oscar's Mum. Surely, the Grand Master won't be able to resist and Oscar will finally be reunited with his mum?