Martin Manhunter is transported from mars to earth at Gotham City by an scientist named Dr. Erdel and cause the doctor an heart attack because of the shock and died. Superman talks to Wonder Woman about how why the citizens dont want the heroes around anymore. In Las Vegas, Flash confronts Captain Cold, and when Manhunter wanders around Gotham, he confronts Batman along with criminals he is trying to stop from killing an boy. And while the heroes are dealing with there lives, something big is about to happen.