Five years ago, no one knew the existence of supermen, let alone superheroes... With the appearance of Superman, Batman, Green Lantern and Wonder Woman, the authorities, afraid by the power of these individuals, declared them outlawed. However, when Darkseid planned to conquer the Earth, the Humans had to put themselves under the protection of their hero. Here is the story of the first union of the greatest vigilantes that was soon to become the famous League of Justice.