Decades have passed since the failed coup on Venus, but now the separatists in the Scattered Disk have resurfaced. With a fleet far larger than any suspected, the rebels take Sedna and proclaim it the capital of a new, Free Disk Alliance.

But the Federation is not above using the full might of their military to bring errant worlds back into line. The TSS Normandy is once again dispatched to restore order--no matter the cost.

With Williams and the 242 aboard, victory is all but assured. However, Katelyn Evans and the separatists have learned from their defeats at Makemake and Venus. They're prepared to do whatever it takes to defend their homeland.