Ace test pilot Hal Jordan, who leads a secret life as Earth's guardian Green Lantern, is called back to Oa. Searching for the culprits behind a series of Green Lantern deaths in "Frontier Space", Hal and his gruff fellow Green Lantern Kilowog “commandeer” The Interceptor, a prototype spaceship powered by pure Green Lantern energy and an advanced artificial intelligence system that Hal names Aya

Hal and Kilowog discover that a group of Red Lanterns, including the conflicted Razer and the vile Zilius Zox have been targeting and eliminating Green Lanterns in Frontier Space. Along with the help from a surviving Frontier Space Green Lantern Shyir Rev , Hal and Kilowog must stop the Red Lantern leader Atrocitus from destroying Shyir's home planet of Colony 12.