Synopsis:
In the aftermath of the showdown against Arthur Petrelli, the Petrelli brothers find themselves battling against one another. With the help of some villains, Peter defeats Nathan and destroys most of the serum, dousing Suresh in it. When Pinehearst goes up in flames, Peter injects himself with the last of the serum, regaining his powers, and saves Nathan and himself. In defeat, Nathan makes a move that will have global repercussions when he reveals to the President the existence of people with powers and gets him to agree to hunt them down. Meanwhile, Sylar holds Claire, H.R.G., Meredith and Angela hostage at Primatech trying to make them confront their inner monsters. Just when Sylar seems to have the upper hand, Claire manages to kill him. Matt, Ando, and Daphne rescue Hiro from the past with Ando being imbued with powers.