After several attacks on Dara's chosen home, Moon City, and a mysterious seizure, she is persuaded to go to a different planet for an extended stay. No rest is to be had on a world in the midst of revolution, and her health deteriorates further. Still troubled by strange activity--the whisper--in her cybernetic augment, Dara seeks out the one place that might have the answers--those same renegade labs responsible for so much under-the-table mayhem.