Mysterious anti-capitalist group the 99p is threatening to bring down the global economy by stealing an MI9 device that can take control of all telecommunications devices. In trying to stop the 99p, the spies discover a surprising sinister link to the advertising agency that Mrs King has hired to boost St Hearts' income levels.

The now jobless spies have set up as freelance International Security Experts, but it is not exactly booming! The team are about to give up when a government worker comes to them for help.