Thirty years ago the Earth was covertly attacked by the alien Myloki who brainwashed humans and seeded them into Earth society as terrorists and assassins. Earth governments pooled their resources and financed Operation 'Prism' to fight - and win - the secret war against the aliens. Now the successor to 'Prism', the 'Silhouette' organisation, runs a series of Early Warning devices in space, in case the dreaded Myloki return. But the financial burden of the war has caused global meltdown and Earth stands on the brink of anarchy . . .