The Justice League battle Mordru in the background, while the narrative follows Booster Gold as he attempts to close a walking black hole while he's supposed to be on "crowd control".
Eager for fame and fortune, the futuristic Booster Gold is frustrated when he is continually sidelined by the Justice League leadership. When the Justice League faces its latest foe, Booster Gold is relegated to crowd control, only to come across a rapidly emerging disaster -- one that forces him to confront his motives in becoming a superhero.—Anonymous