for a quarter of a century, humanity has watched as the malignant Omega clouds have destroyed every civilization they have come across. now it's Earth's turn- but not for another 900 years. a cloud has switched direction. heading straight for a previously unexplored planetary system- and its living pre-technological alien society. suddenly, the need to find a method for the omega's destruction becomes urgent. as a handful of brave humans, scientists, and military alike. try to save an entire world without revealing their existence...