A mission to the surface of the sun irreparably damages the cells of Superman's body, starting a countdown to his death. Superman's only choice is to try to prepare Earth, especially his friends and loved ones, for a world without him.
"What happens when evil wins? That's the question Superman, Batman, the Justice League and every being in the DCU have to face when Darkseid and his otherworldly legion of narcissistic followers actually win the war between light and dark"--Provided by publisher.
Batman is forced to wrestle with his own sanity when an adversary called the Black Glove forms a plot to make Bruce Wayne doubt his own memory and believe that he has been betrayed by his friends and lovers.
The Justice League of America teams up with the Justice Society of America to fight an alien Star Conquerer that has enslaved North America, a brigade of super-powered soldiers, an ancient evil, and a forgotten hero who is seeking revenge.