It’s been seven years since the end of the Naxid War. Sidelined for their unorthodox tactics by a rigid, tradition-bound military establishment, Captain Gareth Martinez and Captain the Lady Sula are stewing in exile, frustrated and impatient to exercise the effective and lethal skills they were born to use in fighting the enemy.

Yet after the ramshackle empire left by the Shaa conquerors is shaken by a series of hammer blows that threaten the foundations of the commonwealth, the result is a war that no one planned, no one expected, and no one knows how to end.

Now, Martinez, Sula, and their confederate Nikki Severin must escape the clutches of their enemies, rally the disorganized elements of the fleet, and somehow restore the fragile peace—or face annihilation at the hands of a vastly superior force.