Geology scholar Shane Sullivan travels to ancient times, exiled with his clan to Sandsville. His people face death from lack of water. He uses his knowledge to find water, building canals. He improves agriculture, develops trade, builds defenses, and opens trade in the Western Regions. He gains authority over the Silk Road. Sandsville becomes a key fortress, and he is appointed to a major administrative post. He selects a worthy successor, establishing a stable system.