The second part of Matthew Underwood's Solution-Earth trilogy continues the adventure where Solution-Earth: The Rash, left off. Who is the strange looking man found injured in Arizona? What is the strange discovery that a scuba diver made? What has become of the exiled commander? As Agent Hill returns home and to work at the UKA, why does he seem so different? Why can't he explain where he's been? Can he be trusted? What are the consequences for the friendly Pourians, when a Karlusian fleet appears around their planet? What could it mean, when the enemy seem to be having a civil war? In the mind of one of the most capable of agents, a battle for control is taking place. Can he identify true reality? Can he escape his mental prison and get back to the reality of who he is and what he needs to do? Hidden behind the scenes, the friendly visitors to Earth and their human allies are developing technology to find a way home. But they have no idea that the protection afforded to them may not be quite enough...