Can Sylar be stopped? Will Linderman\'s vision live on with Nathan? What will it take for Peter to save the world, what sacrifices will be made? With all the horrible predictions unfolding before them the heroes face moments of pain and peril in Kirby Plaza.
Angela Petrelli is forced to play a bigger role in Nathan, Peter, and Claire\'s life. The truth about the death of Nathan and Peter\'s father is finally revealed along with his true identity. When Nathan finds out that he may have a chance to become more than a Congressman, he is confronted with a decision that he must make. As election day nears some try to leave NYC. HRG and Matt learn another surprising secret. Also, Sylar is eating another hero\'s brain. Hiro\'s dad returns.
Jessica and D.L. discover some of the stuff that Linderman wants from them and Micah. Sylar questions his path when he realizes what he is predestined to do and reunites with his mother to seek validation. Hiro and Ando follow him, and Hiro\'s resolve is tested when he realizes the enormity of killing another human being. Meanwhile, Angela Petrelli tries to convince Nathan to go along with Linderman\'s plan. And Peter tries to prove to Claire that they are both destined to save New York. Also there is a new hero who is supposed to be holding the key to stopping Sylar.
Hiro and Ando find themselves five years after the destruction of New York City. People with extraordinary abilities are labeled as terrorists and are being registered, hunted, and killed. Hiro and Ando meet up with darker versions of the other heroes in preparation for a showdown with the President. This includes a darker side of Matt, a Jessica/Niki with a clear winner in their battle, a brown-haired Claire, and a man named Andy, who\'s a big hearted Texan. It also features an event at an upscale gentleman\'s club.
Linderman reveals that his plan for Nathan includes Peter exploding. Linderman also shows Nathan one of Isaac\'s painting, in which Nathan is the President of the United States. Peter and Suresh escape from Sylar, but Peter is killed. Suresh takes him to the Petrelli\'s house where Claire now is and who ends up reviving Peter. Suresh joins the Company. Sylar kills Isaac and paints a picture of himself in which he is the President. Candice morphs into Niki and takes Micah to Linderman. Ted, Parkman and Bennet escape from the Company\'s captivity and decide to disable the Company\'s Walker Tracking System in New York.
As the election and destruction of New York approach, Nathan meets up with Linderman. Hiro attempts to steal the sword heading him in a new path. Suresh and Sylar make progress with the list at great cost. D.L. begins to suspect problems at home. Isaac paints an even more terrible painting. A new hero, Candice Wilmer, appears.
Matt Parkman and Ted Sprague arrive in Texas in search of answers and take HRG and his family hostage. More is revealed about Mr. Bennet, the agency for which he works, and how he found Claire.
Peter learns that he and Claude may have been betrayed. Matt\'s reunited with the radioactive Ted Sprague and Hana Gitelman a woman with \"wireless\" mental abilities. Hiro makes a tough choice about his mission. Claire can no longer hold back her anger towards HRG.
Matt enters the private security business and receives an objectionable client. Suresh finds another person on the list. As her home-life worsens, Claire strives to learn more about her birth parents. Hiro and Ando get sidetracked in Vegas again while searching for the sword. Nathan is forced to deal with a secret from his past. Still indebted to Mr. Linderman, Jessica resorts to unsavory methods that could spell doom for a fellow hero.
Hiro deals with explaining his new heroic path in life to his ambitious sister and tycoon father. Niki has the chance to reunite with D.L and Micah. Claude\'s mentoring of Peter leads Peter to question those closest to him. Claire goes to a trailer park looking for her birth mother. Sylar wears a disguise and makes a move against HRG.