Two new recruits at Spy School deep inside Big Ben face a series of physical and mental challenges as they go head to head with evil mastermind Goldfist.

When the voices of the UK's biggest pop stars turn into high-pitched squeals overnight, the Spy School cadets are tasked with discovering what could be causing it. Evil Goldfist's plot to end the singing careers of pop stars leads the cadets to London's O2 Arena in a race against time to save the pop world from disaster!