Called to check on an anomalous occurrence at the White House, a group of scientists from an institute in a mid-twentieth century universe have a deadly encounter with the Khysids. Like a modern Prometheus, the scientists steal Khysid technology and with the help of a former Khysid operative discover how to create a Source Gate. Hounded by a rogue Army general and hunted by the Khysids, the scientists flee to the 1861 universe and the Civil War. There...