Kilowog crashes to Earth, seeking John Stewart's help to rescue other members of the Green Lantern Corps from the psychic, would-be conqueror Despero. He also explains that John's former mentor and lover, Katma Tui, is one of the captives. After facing Despero and losing, John has to retrain himself to use his power ring to help the League end Despero's reign. Flash, Hawkgirl and Jonn Jonzz accompany Kilowog to Despero's planet to help GL stop him.