Nathan (Adrian Pasdar) faces off against Sylar (Zachary Quinto) to keep him from meeting the President (guest star Michael Dorn). Sylar has his own plans for his new partner. Meanwhile, Hiro (Masi Oka) learns that there are repercussions to regaining his ability. Elsewhere, Matt (Greg Grunberg) is forced to go to extraordinary lengths to protect his future with his family. Jack Coleman, James Kyson Lee, Hayden Panettiere, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star.

Sylar (Zachary Quinto) continues his unusual partnership and begins to have an unexpected identity crisis. Hiro (Masi Oka) and Ando (James Kyson Lee) take measures toward bringing down Building 26. Meanwhile, Matt’s (Greg Grunberg) new found fatherhood changes his priorities. Elsewhere, Nathan (Adrian Pasdar) sets a plan in motion to right the wrongs of his government operation. Jack Coleman, Hayden Panettiere, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star. Lisa Lackey and Ellen Greene also guest star.

As Nathan (Adrian Pasdar), Claire (Hayden Panettiere), Peter (Milo Ventimiglia) and H.R.G. (Jack Coleman) help Angela (Cristine Rose) uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder (Sendhil Ramamurthy) learns of his father’s involvement in a long forgotten government operation. Diana Scarwid, Alexa Nikolas, Laura Marano, Ravi Kapoor, Casey Kringlen, H. Michael Croner and Edwin Hodge guest star.

As Danko (guest star Zeljko Ivanek) spearheads the government operation, someone close to him is put in the line of fire. HRG’s (Jack Coleman) life continues to spiral out of control and his marriage is dangerously close to the breaking point. Meanwhile, Hiro (Masi Oka) and Ando (James Kyson Lee) continue their road trip with a special delivery for Matt Parkman (Greg Grunberg). Elsewhere, Angela Petrelli (Cristine Rose) unearths the demons of her past. Hayden Panettiere, Adrian Pasdar, Zachary Quinto, Sendhil Ramamurthy and Milo Ventimiglia also star. Ashley Crow also guest stars.

Now that Nathan’s (Adrian Pasdar) ability has been revealed and he has lost control of his operation, he and Claire (Hayden Panettiere) go into hiding in Mexico. With Emile Danko (guest star Zeljko Ivanek) now in control of the government operation, his plan to destroy everyone with abilities is set into motion as he teams up with an unlikely partner. Meanwhile, Angela (Cristine Rose) and Peter (Milo Ventimiglia) seek refuge in a church and begin to mend their broken relationship. Kevin Alejandro also guest stars. Jack Coleman also stars.

HRG (Jack Coleman) convinces Emile Danko (guest star Zeljko Ivanek), a.k.a. “The Hunter”, to release Tracy (Ali Larter) from “Building 26,” in hopes that she will lead them to “Rebel.” As Angela (Cristine Rose) evades capture, she turns to an old friend (guest star Swoosie Kurtz) for help. In Los Angeles, Hiro (Masi Oka) and Ando (James Kyson Lee) continue on their latest mission from “Rebel” to protect the newest hero. Greg Grunberg, Sendhil Ramamurthy and Milo Ventimiglia also star. Brea Grant and David H. Lawrence XVII also guest star.

When Sylar (Zachary Quinto) comes face-to-face with his long lost father (guest star John Glover), the reunion proves to be what he least expected. Elsewhere, after receiving a tip from “Rebel,” Claire (Hayden Panettiere) must decide if she will help her sworn enemy, Eric Doyle (guest star David Lawrence XVII), evade capture. Meanwhile, as “The Hunter” (guest star Zeljko Ivanek) plans to uncover the Petrelli family's secrets and take control of Nathan's (Adrian Pasdar) operation, Matt (Greg Grunberg) finds himself in the spotlight and on the verge of leveling Capitol Hill. Jack Coleman, Ali Larter, James Kyson Lee, Masi Oka and Cristine Rose also star. Randall Bentley and Ashley Crow also guest star.

After receiving a tip from “Rebel,” Matt (Greg Grunberg) and Peter (Milo Ventimiglia) race to “Building 26” to rescue Daphne and recover files that will expose the government’s plans for those with abilities. Claire (Hayden Panettiere) finds help from an unlikely source in smuggling Alex (guest star Justin Baldoni) out of the city. As Sylar (Zachary Quinto) and Luke (guest star Dan Byrd) continue their road trip, Sylar begins to have memories of his father that lead him to the truth about his mother. Meanwhile, “The Hunter” (guest star Zeljko Ivanek) puts his own agenda into action with an explosive surprise for one of our heroes. Jack Coleman, Adrian Pasdar and Cristine Rose also star. Randall Bentley, Ashley Crow and David Lawrence XVII also guest star.

While being held hostage, HRG (Jack Coleman) is subjected to Matt Parkman’s (Greg Grunberg) unique brand of interrogation, revealing how he became involved with Nathan’s (Adrian Pasdar) government plot to capture those with abilities. Meanwhile, Matt’s discoveries bring Peter (Milo Ventimiglia) face-to-face with “The Hunter” (guest star Zeljko Ivanek). Sendhil Ramamurthy and Cristine Rose also star. Ashley Crow also guest stars.

Nathan’s (Adrian Pasdar) plans face exposure as Homeland Security begins an investigation under direct orders from the President of the United States. Sylar (Zachary Quinto) and Luke (guest star Dan Byrd) embark on a road trip to find Sylar’s father, but are secretly being hunted by Nathan’s agents. Life gets complicated for the Bennet family as Claire (Hayden Panettiere) goes into action to protect a young man with abilities (guest star Justin Baldoni) from being captured by HRG (Jack Coleman). Elsewhere, Matt’s (Greg Grunberg) prophetic images lead Hiro (Masi Oka) and Ando (James Kyson Lee) to India and a mysterious ally comes to the aid of our Heroes. Ali Larter, Sendhil Ramamurthy and Milo Ventimiglia also star. Ashley Crow, Randall Bentley and Amrapali Ambegaokar also guest star.