When art critic Leonardo De Grouchy writes a scathing review about Goldfist's paintings, the evil villain promises to exact his revenge upon the critic. The Tate Britain Art Gallery becomes the scene of an awful crime, but will the Spy School cadets be able to save Leonardo De Grouchy?

As news of high-profile attempted robberies by some of Britain's top Olympic athletes sweep the nation, the finger points towards evil mastermind Goldfist. The Spy School cadets' mission leads them to the Queen Elizabeth Olympic Park to uncover what's causing the athletes to go for other people's gold.

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