The staff and students of St Hope's are left under the Grand Master's control after they are hypnotised by a colourful pattern during a rare solar eclipse. Frank, Oscar and Carrie and even Mrs King manage to escape the hypnosis - but Rose is caught in its spell. Whilst the spies search for answers, the Grand Master launches stage two of his plan: broadcasting the image on every TV in the UK.

MI9 send a mysterious coma patient to St Hope's while they wait for a vaccine, but a team of deadly SKUL ninjas are already on his tail. To make matters worse, Mr Flatley decides to stage a camping trip in the school gym! Can the spies defeat the ninjas and keep their classmates out of danger?