Hal Jordan patrolled the spaceways in the name of cosmic justice as one of the greatest Green Lanterns to ever don the legendary power ring. In a never-before-told chapter of Hals adventures, he faces and defeats the universes ultimate killing machines: the dreaded Aliens. At the battles end, Hal chose to contain their evil, rather than exterminate the creatures. Now its years later, and Kyle Rayner has inherited Hals duties -- as well as responsibility for some of Hals unfinished business. As Kyle and some former members of the GL Corps struggle to save a planet from the acid-dripping beasts, he has a sinking feeling that this is a war with no chance for a happy ending.