An alliance of species across the galaxy has formed. Led by Liam Donovan, the United Alliance Military has spent years preparing for war against the ruthless Othaul Dynasty. Interspecies Ambassador Ann Donovan arrives on Earth with the alliance’s newest species to find a debate waging in the war council. Should the alliance attack the Dynasty pre-emptively, or continue waiting and building their forces while other planets fall victim to the Dynasty’s terror? Meanwhile, Zale Alday leads the Earth Proxima Security Division against the last remnants of the Humans Only terrorist organization. Her chase after the terrorist leader begins at a casino on Ganymede and takes her across the solar system. But when the terrorist leader, a violent man named Shaddix, recruits an unexpected ally, things quickly take a turn for the worse. As the war council continues its debate, a strange ship arrives above Luna claiming to be from the planet Proxima b. Its passenger warns of an Othaul attack on the planet’s native people. Liam, along with Admiral Debra Sizemore, must authorize a scouting mission to discover the truth to the passenger’s claims before it could be too late.