River is back at it again and this time she faces an enemy that is beyond anything the empire has ever seen. Each move and discovery is a new learning experience. Working with an unknown that will bring about deep and deadly results. Whole planets will fall and millions will die as this new invasion builds. River and her crew are running to catch up with the invaders and learn what they are and where they came from. She must deal with old enemies who now must become allied with her in their fight to save the galaxy. The Fargons will fall victim to this invasion with the loss of an entire region of their empire. Old enemies, old hates, old memories will follow her as she fights desperately to overcome this new invasion. Each step, each move must be measured and taken carefully, but time is their enemy as well. To long in any one task and they could lose it all. The invaders seem to be able to keep one step ahead of her. Through the had work of River, her second Shadow, her body guard Venom and the ship Space Wasp it will take all their skills and courage to over come this one.