A cataclysmic event has struck the Earth. Millions of people have vanished without a trace. No one is left unaffected − not even Superman. A year has passed, and Superman is left with many questions and very few answers. For a hero who tries to have all the answers, it's torture. And, just as the action heats up and the stakes are raised, one huge question emerges: just how far is Superman willing to go "For Tomorrow"?