Niki is questioned by police about her fugitive husband's whereabouts; Matt's relationship with his wife, Janice, benefits from his mind-reading abilities; Claire divulges her secret to her father; Hiro has a violent run-in with Las Vegas high rollers; Peter receives a life-changing message; and Mohinder contemplates leaving New York---and his father's research---behind.

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 H.R.G 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.

Lyle Bennett learns of his sister Claire's secret after watching her video of her trying to kill herself. Hiro Nakamura helps D.L. Hawkins save a woman from a burning car by freezing time. Isaac Mendez has gone M.I.A. with his painting.

As Homecoming approaches in Odessa, Claire's father makes an effort to save Claire's life. Peter, having tried to contact Hiro, flies to Texas in his effort to save the cheerleader. Hiro decided to head back in time in an effort to save the waitress, and Suresh can't get a dream out of his head and feels it has some answers about him and his father.

Claire Bennett is at home reading when the cheer leading captain walk in with a uniform and informs Claire that another cheerleader dropped out and the spot is hers if she wants it. Hiro Nakamura has traveled back in time to the Texas diner but realize he can't after she tells him she has a terminal disease. Nathan Petrelli and Peter Petrelli are preparing to take down their dad D.L. Hawkins and Niki Sanders are newly weds. Chandra Suresh has come to America to find and contact the people he thinks have taken an evolutionarily step. Sylar is the first but doesn't appear to have extraordinarily powers but then has the power to move things with his mind after he invites and kill another person on Chandra's list and then goes back to Chandra

The question on everyone's mind regarding the cheerleader is that, since she's still alive, does the bomb still go off? This is especially true for Hiro, who meets with Isaac to discuss their next course of action. Having confessed her abilities to her father, Claire seeks other answers that her friends and family can not give. Having captured Sylar, Claire's father keeps him in a room of total darkness, totally unaware of Sylar's true strength.

Nathan stops at nothing when it comes to getting some kind of help for his unconscious brother. Hiro goes on a hunt for the sword he's seen in Isaac's paintings. Nikki tries to convince the police of her need for help in dealing with her split personality.

Outside forces and new faces drive the "Heroes" into different directions.

While the scandalous truth about Claire's real father is revealed, her adoptive mother faces a crisis. Matt takes a job as a bodyguard for a crooked attorney, which puts him in the cross hairs of Linderman's new assassin. Hiro and Ando return to Las Vegas to find the sword, but get sidetracked by a damsel in distress. Suresh finds someone on the list and unknowingly puts himself in grave danger. Meanwhile, Simone turns to some unlikely help in her and Nathan's struggle to find Peter.

With the election and NYC's destruction looming, Nathan has a disturbing face-to-face meeting with the shadowy Linderman. Hiro's attempt to steal the sword steers him into a grim new direction. Suresh makes a breakthrough on "the list" -- at great cost. D.L. begins to suspect all is not well at home. Isaac paints his most terrible painting yet. New "hero" Candice Wilmer makes an illusive debut.

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. As Thompson uses every tool at his disposal to find Claire, Linderman drafts Jessica into his far-reaching plans. Meanwhile, Hiro's resolve to "save the world" strengthens in the face of a grim reality.

As Nathan and his family ready for the election, Hiro and Ando face the hard part of saving the world.

Peter feels the need to control his newly absorbed power, as he overhears Sylar's thoughts on the streets of New York. Mohinder finds another hero and agrees to help find a cure for her fatal disease, as Parkman and Bennet close in on the building they are in, looking for a link that could set them free. Niki/Jessica and D.L. are convinced that Linderman is behind their son's disappearance, as Linderman convinces their son to do a job for him.

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.

Peter Petrelli finds himself in a future New York City where a virus has devastated the world's population. As he gradually regains him memory, he recognizes his mother who urges him to use his Hiro-like powers to go back in time and stop the virus before it begins. Claire and West's relationship reaches a crisis point when West realizes that her father is the same man who once kidnapped him. Suresh's loyalty to HRG man is starting to wear thin and he finally admits what he has been up to. Nathan learns that brother Peter is alive. Matt Parkman finally confronts his father in an attempt to release Molly from her coma-like state. Having fallen out completely with Takezo Kensei, Hiro attacks White Beard's camp. A new character with a familiar face, Adam Monroe, is revealed as one of the founders of the company.

In flashbacks, we learn what happened to the heroes in the four months after the events at Kirby Plaza. Maja learns of her deadly powers at her brother Alejandro's wedding. Niki starts a Company-sponsored drug program but stops taking the medication only to realize that another hidden personality has emerged. Imprisoned by the Company, Peter Petrelli meets the now familiar Adam Monroe and we learn how he ended up in the shipping container destined for Ireland.

Nathan, Matt, and Hiro confront Peter and Adam at the Company's facility in Odessa, TX where Adam's intentions become apparent. Micah confides in his mother and working together; he and Niki set off to rescue Monica but with deadly results. Maya and Sylar visit Dr. Suresh and she finally realizes what Sylar is really up to. Noah Bennet visits his family and begs Claire not to publicly reveal her secret.

In flashbacks, we learn what happened to the heroes in the four months after the events at Kirby Plaza. Maja learns of her deadly powers at her brother Alejandro's wedding. Niki starts a Company-sponsored drug program but stops taking the medication only to realize that another hidden personality has emerged. Imprisoned by the Company, Peter Petrelli meets the now familiar Adam Monroe and we learn how he ended up in the shipping container destined for Ireland.

Peter feels the need to control his newly absorbed power, as he overhears Sylar's thoughts on the streets of New York. Mohinder finds another hero and agrees to help find a cure for her fatal disease, as Parkman and Bennet close in on the building they are in, looking for a link that could set them free. Niki/Jessica and D.L. are convinced that Linderman is behind their son's disappearance, as Linderman convinces their son to do a job for him.

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 H.R.G 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.

Niki is questioned by police about her fugitive husband's whereabouts; Matt's relationship with his wife, Janice, benefits from his mind-reading abilities; Claire divulges her secret to her father; Hiro has a violent run-in with Las Vegas high rollers; Peter receives a life-changing message; and Mohinder contemplates leaving New York---and his father's research---behind.

Peter Petrelli finds himself in a future New York City where a virus has devastated the world's population. As he gradually regains him memory, he recognizes his mother who urges him to use his Hiro-like powers to go back in time and stop the virus before it begins. Claire and West's relationship reaches a crisis point when West realizes that her father is the same man who once kidnapped him. Suresh's loyalty to HRG man is starting to wear thin and he finally admits what he has been up to. Nathan learns that brother Peter is alive. Matt Parkman finally confronts his father in an attempt to release Molly from her coma-like state. Having fallen out completely with Takezo Kensei, Hiro attacks White Beard's camp. A new character with a familiar face, Adam Monroe, is revealed as one of the founders of the company.

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.

As Nathan and his family ready for the election, Hiro and Ando face the hard part of saving the world.

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. As Thompson uses every tool at his disposal to find Claire, Linderman drafts Jessica into his far-reaching plans. Meanwhile, Hiro's resolve to "save the world" strengthens in the face of a grim reality.

While the scandalous truth about Claire's real father is revealed, her adoptive mother faces a crisis. Matt takes a job as a bodyguard for a crooked attorney, which puts him in the cross hairs of Linderman's new assassin. Hiro and Ando return to Las Vegas to find the sword, but get sidetracked by a damsel in distress. Suresh finds someone on the list and unknowingly puts himself in grave danger. Meanwhile, Simone turns to some unlikely help in her and Nathan's struggle to find Peter.

With the election and NYC's destruction looming, Nathan has a disturbing face-to-face meeting with the shadowy Linderman. Hiro's attempt to steal the sword steers him into a grim new direction. Suresh makes a breakthrough on "the list" -- at great cost. D.L. begins to suspect all is not well at home. Isaac paints his most terrible painting yet. New "hero" Candice Wilmer makes an illusive debut.