Years ago, a group of heroes defended the world from an alien threat. After the world was saved, they retired and went to their daily lives. Now the world is under threat once again and the descendants of those heroes must know stand to defend the world where their grandparents stood. Gathered together as the Cosmic Alter they battle an alien invasion to keep the world safe. However, they are unworthy, unwilling, and unqualified to defend the world. With the invasion incoming and little time, this new group of heroes has to get it together to save the world.