The invasion from Dyson Alpha continues with dozens of Commonwealth worlds falling to the enemy. The navy fights back with what it believes to be war-winning superweapons, only to find that the alien fleet has been given equally powerful weapons. How the aliens got them is the question that haunts Admiral Wilson Kime. Could it be that the Commonwealth's top-secret defence project has been compromised by the Starflyer's agents, or is the truth even worse?