Hal Jordan investigates the mysterious power loss of his Green Lantern ring when leaving Earth's atmosphere, while Sinestro collaborates with the enigmatic Guild to orchestrate a major assault on Ferris Air. The looming return of Hal's greatest enemy heightens tensions as the Green Lantern grapples with the escalating threat. This installment bridges John Stewart's Homcoming and sets up the events of *Green Lantern: War Journal*.