In the years since World War II, the U.S. government has been relocating the world's geniuses (and their families) to the Pacific Northwest town of Eureka. Daily life there shifts between amazing innovation and total chaos. U.S. Marshal Jack Carter learns this first-hand when his car breaks down in Eureka, stranding him among the town's eccentric citizens. When they unleash a scientific creation still unknown to the outside world, it's up to Carter to restore order. Subsequently, he's let in on one of America's best-kept secrets.