The great war between Bactarans and Humans.
An interstellar mining arrangement has turned sour. The Bactarans, who fifty years ago had invaded and occupied Earth, had eventually reached an agreement with Earth's UEN to mine the solar system's asteroid belt in exchange for spaceflight technology. Small incidents between the Humans and aliens in the belt built on each other over time. Tensions rose and finally boiled over at the turn of the 22nd century. In the process, new worlds are discovered by the growing, curious race of Human kind, including Redland–a Human colony thought to be lost–and a binary world containing two sentient species at war with each other. These worlds struggle to fit in to the larger galaxy unfolding around them. The UEN and the Bactaran Republic wage war; first in the asteroid belt, then in Sirius. The Vorans, a powerful insectoid species from beyond the Parella system, can do little to prevent the war from their far vantage point, until circumstances bring the war to their doorstep.