A guardian has been murderered. The killer stands in the midst the Green Lantern Corps. Tensions hit the tipping point between Lanterns Simon Baz and Jessica Cruz changing their relationship forever! Something is amiss. That's what the Guardians believe. But even they cannot see the darkness growing inside the Central Power Battery...an infection. One that will have enormous repercussions within the entire Green Lantern Corps. Making matters worse, in light of recent events, Jessica Cruz questions her place within the Green Lantern Corps, contemplating leaving it behind. And her partner Simon Baz is stung so much by her confession, he may let her go.