900 years in the future, Captain Kip Kaplan is cashiered out of the Americas Coalition army and uses the help of a good friend and sometime lover to gain passage away from Earth's solar system. On Excalibur, a planet 4000 light-years from earth, he books passage on a merchant freighter headed to Titan via Zenobia, a vital strategic refueling and munitions base for the Americas Coalition.

Onboard, he meets the mysterious Dr. Warren Chanders, and also a handsome young man traveling alone in search of adventure, Tobias Oberon. Kip and Tobias indulge in an affair as they make their way across the galaxy to Zenobia falling into intrigue, attempted killings, and romance. The Zenobian affair will bring Kip and Tobias closer than they ever thought possible and decide the fate of the universe as we know it.