Before Charles Xavier and Erik Lensherr took the names Professor X and Magneto, they were two young men discovering their powers for the first time. Before they were arch-enemies, they were closest of friends, working together with other mutants (some familiar, some new), to stop the greatest threat the world has ever known.

When a flood of natural disasters begins to destroy the world, a divorced dad desperately tries to save his family by outrunning the cataclysmic chaos.