The Society of Justice has undergone many changes since its creation in the Second World War. But one thing will always be true: they form a family. As they welcome a new generation of heroes and form an alliance with the League of Justice and the Legion of Superheroes, the Sable Merchant announces to them that it has made a terrible nightmare. The Multivers is about to experience a great upheaval. Contains the US episodes: - Justice Society of America #1-15 - Justice League of America #8-10