The story centers around the main character Clayton Knight who had been a child prodigy and grew up to build a vast financial empire. As a child he built his own space program and discovered that the Earth is vulnerable to invasion. Knight then spends the following years preparing the planet for a possible invasion behind the scenes in part through technological advances. Knight founded a security and law enforcement agency which becomes the enforcement arm of the United Nations. Being a hands-on person he also spends time as a field agent. A Satanic terrorist organization reemerges years...