The people of Earth are preparing for war, a war that could potentially destroy the planet. Explorers are sent to Mars to find a new place for humans to colonize. It is here the invaders have come to despoil and commercialize, to grow and to learn. First, it's a trickle, then a torrent, rushing from a world with no future toward a promise of tomorrow. The Earthman conquers Mars and then is conquered by it.