Synopsis: How did the universe come into being? Why are we here? And where are we headed? Stephen Hawking - one of the world's most famous physicists and author of the international bestseller A Brief History Of Time - wants to answer those questions. Trying to unify Einstein's theory of relativity and quantum mechanics, he seeks a single explanation for the entire universe. But he's racing against time, trapped in a relentlessly deteriorating body ravaged by Lou Gehrig's disease.