Evil Goldfist is so obsessed with the golden morning light that he has found a dangerous way to keep Britain in a constant state of daytime. The Spy School cadets' mission leads them to the Greenwich Observatory, where they realise that protecting the world's time zones is no mean feat.

The Spy School cadets are sent to look for fellow spy Agent U when she goes missing mysteriously in London's Chinatown. They soon discover that their nemesis Goldfist is behind her disappearance and that they don't have long before his latest plot for world domination comes to pass!