Only a sliver of mankind survived the Xaros invasion. With Earth's defenses in ashes, nothing can stop the aliens' inevitable return. Hope arrives from a cryptic message from a long-lost alien race, promising the means to rebuild the shattered space fleet. Captain Valdar takes one of the last strike carriers, the Breitenfeld, and his shell-shocked crew on a desperate mission to the dead world. Unfortunately, humans aren't the only power that received the ancient message...