As Cornelius loses himself to the ring, Doctor Zaius and Sinestro uncover a grave truth about the Planet of the Apes. With Hal Jordan, Zira, and Nova on the hunt through the Forbidden Zone, Kilowog, Guy Gardner, and Arisia bring reinforcements.
The battle has infected Ape City. Cornelius' army of empowered mutants and apes lay waste to Grodd's Gorilla Army and Red Lanterns. This world's only hope lies with Hal Jordan and Sinestro, who must work together to save Cornelius from the corruption of the Universal Ring.
Cornelius discovers an ancient ring in the Forbidden Zone and unlocks a power that echoes across universes. With the Green Lantern Corps, led by Hal Jordan, racing to get to the source of this power before Sinestro can get his hands on it, they will discover a truth about the Guardians that will change them forever on THE PLANET OF THE APES. From writer Robbie Thompson (Silk; Spidey; Supernatural), Justin Jordan (Green Lantern: New Guardians, Luther Strode) and artist Barnaby Bagenda (Omega Men) comes the war of the Green Lanterns on the Planet of the Apes!