The tragic events in Texas have sad, serious repercussions for many of the "heroes," their families and friends. Meanwhile, shocking details about the moments leading up to Isaac's predicted New York City nuclear bombing are revealed. Later, Issac's newest painting has fascinating future implications for a hero in crisis. Suresh takes the first steps along his new path. Matt and F.B.I. Agent Audrey Hanson pursue a break in the Sylar case. Horrified by Jessica's recent actions, Niki makes a tough decision to protect her family.

As the clock turns back six months for all of the "Heroes," Mohinder's father Chandra Suresh arrives in New York to begin his quest to find individuals with extraordinary abilities, and meets someone all to eager to be special. Peter celebrates his graduation from nursing school, and learns that Nathan plans to prosecute a case that could mean trouble for the entire Petrelli family. A surprise visit from her father brings out the worst in Niki. Hiro attempts to be a hero and change the future for someone important. Claire joins the cheerleading squad and makes a curious discovery. Mr. Bennet and the Haitian meet someone special.

Matt reveals his abilities to his wife. HRG confers with Mohinder. Now that she knows the truth, Claire tries to make sense of her life. Hiro seeks the sword that he is destined to own. Niki must face the consequences of her decision to turn herself in to the police. Simone and Nathan are worried about Peter, who has been in a coma for two weeks. Peter meets a new hero. Micah visits his mother.

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.

H.R.G.'s past catches up to him as Matt and Ted Sprague come to Texas looking for answers, and take him, his wife, son and Claire hostage -- leading to a tragic, explosive showdown.

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.

Mr. Bennet prepares to move his family when he thinks the Company has found them, but Claire doesn't like the idea. Hiro returns to the present and upon discovering his father's death, travels back in time to stop it. Meanwhile, Matt works to master his new mental abilities.

As Mr. Bennet tries to protect his daughter by any means, Claire's high school Homecoming celebration turns into a frightening night for many. Nathan and Simone work together to find Isaac's painting for Peter, but this key to the future could lead to tragedy. Meanwhile, Hiro travels back in time to right an upsetting wrong. As Niki puts a goal in sight, Micah spends time with his dad. Still experiencing strange dreams while in India, Suresh learns of a boy that might pull him back into his father's research

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.

After "helping" Suresh search for more people with special abilities, Sylar's rampage continues with two "heroes" being confronted by the stronger-powered serial killer. Nathan must factor what he's learned from Linderman into difficult decisions that will shape the future, for him, his family, New York City and the world.

Poised to become a member of Congress and maybe more, Nathan considers the cost to those he loves, along with his mother's advice and Linderman's prophecy. As he prepares to face Sylar to the death, Hiro learns of his lineage from his father. While various "heroes" fatefully arrive in New York City, Peter and Claire attempt to leave the city before the foretold explosion. H.R.G.

The events of the "missing four months" are explored. Maya and Alejandro must go on the run, it is explained how Peter ended up in Ireland and what happened to Nathan, Nikki, and D.L.

In Texas, Peter faces off against former friends due to Adam’s misleading story about the Shanti virus. Micah enlists the help of his mother to rescue Monica. Maya is shocked when she learns the truth about her new friend Sylar. Elle tries to make her father proud.

Confused after losing track of another block of time, Niki finds the police on her doorstep, searching for her fugitive husband D.L. Hawkins. Claire confesses to her father. Hiro and his friend get jumped by some Vegas high-rollers. Peter receives a life-changing message from an unlikely source. Meanwhile, Matt secretly uses his mind-reading ability to anticipate his wife's needs. Dismayed by recent events, Suresh makes plans to return to India to lay both his father's remains and his research to rest.

Hiro and his buddy embark on their heroic journey to New York, when they are stopped by a Vegas high-roller who offers them a deal they can't refuse. As Noah Bennett sets up a meeting for his daughter Claire with her biological parents, she hopes that questions about her newfound indestructibility can be answered. Meanwhile, Isaac receives another confusing call from Hiro, but Peter is there this time to pick up the phone and relay a life-saving message. Suresh bids farewell to Eden as he heads back to India to bury his father. An unexpected visitor shows up at Niki's home.

Facing a crisis involving her son Micah, a distraught Niki reveals her recent personal struggles to a friend. Pushing aside his own issues at home, Matt assists Audrey's investigation into another bizarre murder, but their pursuit of mysterious serial killer Sylar takes an unexpected turn. After failing to act like a "superhero" when faced with danger, Hiro questions his heroism. Nathan and his wife Heidi strategize how to win the congressional election. Claire is shocked to learn where her missing tape wound up. Meanwhile, her father is disturbed by news from one of his associates.

Back in India to mourn the passing of his father, Suresh encounters mysterious dreams of the past that force him to question what path to take next. Continuing their journey to New York, Hiro and Ando stop at a diner and meet someone interesting. In crisis, Niki comes to a personal understanding. Determined to see one of Isaac's paintings that Simone recently sold, Peter asks Nathan for help in finding a key to the future. Intent on getting back to her normal life, Claire focuses on Homecoming preparations, unaware of what's to come. Meanwhile, Mr. Bennett and a surprising associate focus their attentions on another "hero."

Hiro continues to search for a sword while being chased by mysterious figures. An invisible man named Claude has something to teach one of the heroes. D.L. takes on new family responsibilities, and Matt opens up to his wife. H.R.G. continues to focus on the captive Sylar. Claire seeks out the Haitian and then her birth parents. Mohinder looks for those on the list, and receives a surprise visitor. A psychiatrist offers to help Niki.

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 and Ando's trek into the future leads them to meet some of the heroes as they are five years later, after the nuclear fallout. 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.

Hiro and Ando's determination is put to the test. Nathan wants to win the election and he's taking drastic measures to ensure that he will. This episode will feature Sylar, his home life, and where he came from. Jessica and D.L. discover some of the stuff that Linderman wants from them and Micah. Also there is a new hero who is supposed to be holding the key to stopping Sylar.

Peter and Caitlin learn about the endstage effects of the Heroes virus. Many of the Heroes work together to fight the Nightmare Man. West is shocked to the identity of Claire's father. Hiro and Kensei's journey comes to an end.

In order to stop Arthur, Hiro and Clair team up and travel back in time to when Kaito gave Claire to H.R.G. Meanwhile, Peter and the Haitian head out to stop Arthur, but are stopped by Sylar and Suresh has a breakthrough with the formula.

HRG convinces Emile Danko, a.k.a. "The Hunter", to release Tracy from Building 26, in hopes that she will lead them to "Rebel". As Angela evades capture, she turns to an old friend for help. In Los Angeles, Hiro and Ando continue on their latest mission from "Rebel" to protect the newest hero.

Four months after the events of the showdown between Sylar and Peter, new Heroes emerge. These include brother and sister Alejandro and Maya. Hiro remains in the past, but what will come of this? Someone dies and someone isn't dead. Claire and her father and the rest of their family get a new life.