The twenty-first century ends with humans beginning to terraform Mars, and turning the back side of the moon into a large industrial zone for manufacturing the metal brought back from the asteroid belt to construct the working space ships that ply the solar system. It is left up to the Space Services to keep an eye on the far flung outposts of the solar system. And only the best will do for Space Services Starting with the basic training of two, then being assigned to Space Services Intelligence, the journey begins. The Terrasite Legacies thus begins here. And there is nearly 5,000 years of the Terrasite Legacies to come. But they need to start somewhere, and "HuYah" is that beginning.