The battle for Cygni colony may be over, but for Captain James Hood and the crew of the EDF Armstrong, the battle for humanity's future has just begun. Hood's defense of the remote outpost against the Cilik'ti aliens was magnificent, but without the timely help of an unlikely ally—a splinter tribe of humanity's bitter enemies—the colony would have been lost and the Armstrong destroyed.
An uneasy peace has prevailed ever since. But as the humans prepare for a crucial meeting, a desperately needed Earth supply convoy is attacked under mysterious circumstances, with the lead escort cruiser's captain disappearing even more mysteriously.
The fate of all of Earth's new colonies hangs in the balance, and Hood is charged with protecting them against growing threats from all sides. When rebellion and unrest challenge the very leadership of the Earth Defense Forces, Hood may need to go it alone…and make the ultimate sacrifice.