Where does it come from, this quest? This need to solve life's mysteries with the simplest of questions which can never be answered. Why are we here? What is the soul? Why do we dream? Perhaps we'd be better off not looking at all - not delving, not yearning. That's not human nature, not the human heart. That is not why we are here.

It has been three weeks since the death of Senator Nathan Petrelli. Though the American people nor the world have no clue that the junior senator from New York was murdered, only a select handful of people know this. Sylar – the notorious serial killer was turned by Matt Parkman into acting and appearing as Nathan. However, as days come to an end the man who is now known as Nathan Petrelli is slowly remembering things that he shouldn’t be remembering.

Our Heroes who witnessed this transformation are slowly turning back to their lives as if nothing has happened. Peter Petrelli is saving lives as a paramedic. Mohinder Suresh has ended up teaching at a university in New York rather than driving a Taxi cab. Matt Parkman is trying to be the best dad that he can be to his son. Claire and West have met up and are going to college together in New York. Meanwhile, Noah Bennet and Sandra Bennet are in the midst of a divorce.

Tracy Strauss was last seen freezing a bunch of Homeland Security agents and miraculously came back from the dead and this time with a vengeance. She is out to get the people who locked her up under the light. She has become the villain and is now out for revenge. They often say that revenge is best served cold and that it is only a matter of days, weeks, or months before the cold snap will come to you.

Also they burned James Martin's body, who appeared to be Sylar. But what happened with Nathan's body. Find out, as the story unfolds in Extraordinary Evolution.