In the year 2292, Earth has achieved a highly advanced technological state, with most aspects of human life dependent on computers and automation. Invaders from the far reaches of space approach... Both Earth and the alien invaders possess a precognitive individual who look almost identical. After numerous battles, it is revealed that the invaders are actually a scientific survey team dispatched from Earth in the year 2100. Having been caught in a black hole and left without any aid from Earth, they drifted through space for millions of years (according to relativity, time expands almost infinitely under intense gravity). Their bodies gradually degenerated, and they began using mechanical suits to encase their deteriorated forms. They continuously invade, searching for a purpose for their existence. After the leader of the invaders is destroyed, the invaders' precognitive individual leads the remaining survivors away from Earth...