The brave men and women of Earth's star fleet have long protected the alien race who gave Humanity its space travel technology. Centuries later, Earth and its alien-sponsored colonies are in a losing war against a seemingly limitless horde of machines which devastate world after world. Soldiers fight against impossible odds as colonies are besieged. Politicians seek allies from the various alien races, all of whom are equally beset by the Devastators. Can Earth be saved or will it fall to the Devastators?