The descendants of a fourth Earth colony ship, Destiny, successfully establish a foothold in unoccupied space. Naiad, the home world, is a frozen ball, but the colonists persevere and expand through wormholes to remote systems. Navigating the time-space anomalies requires Axis-ships. The expensive vessels are constructed by corporations, and remote worlds are claimed by the companies for their valuable ores and gases.

SADEs Hector and Trixie discover the world where the colonists of the Terminus, the fifth colony ship, settled. Unfortunately, their Trident squadrons arrive at the worst possible time and catastrophe strikes. The powerful fleets of three races are fighting for possession of a beatific world, Cercia. The Trident squadrons are occupied by SADEs skilled in exploration, astronomy, and data research. They’re unprepared for the onslaught of deadly probes, fighters, and warships directed against them.

An explorer tug captain, Alex Racine detects a damaged alien craft drifting into the system. Recognizing a once-in-a-lifetime opportunity to make first contact, Alex pulls off a daring maneuver to latch on to the derelict. Alex discovers the ship was attacked by an unknown craft, the first of its kind ever encountered. The mysterious silver ship's attack was both instant and deadly.

Captain Jessie Cinders faces a hazardous choice. The murderer of the governor’s nephew stands before him. But, the frightened teenager, Aurelia Garmenti, doesn’t resemble the commandant’s description of the vicious, hardened killer his security forces seek. To complicate matters, Jessie’s mind has felt Aurelia’s mental powers. The girl is an empath, who escaped the domes below and rode the El car to reach the JOS, Pyre’s orbital station. This shouldn’t be possible. The century-old agreement between topsiders and downsiders forbids the domes to knowingly admit empaths.

When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.