随着日全食在全球范围内投下阴影，印度一位遗传学教授在他父亲失踪的带领下，揭开了一个秘密理论——我们中间生活着一些拥有超级能力的人。一个年轻的梦想家试图说服他的政治家兄弟，他拥有飞行的能力。一位高中拉拉队队长得知她拥有自愈能力。一位单身母亲为了养活年幼的儿子而努力维持生计，她发现自己的镜像中有一个秘密。一个天才艺术家，他的毒瘾正在摧毁他的生活和与女友的关系，他可以描绘未来。而在日本，一个年轻人通过纯粹的意志力开发了一种停止时间的方法。然而，他们所有人都不知道，他们的最终命运就是拯救世界……

苏雷什终于找到了他父亲传说中的一个基因先进的“超人”。在拉斯维加斯，Hiro的计划适得其反，因为他谨慎地将时间转向他在赌桌上的优势。尼基的黑手党债务人利用他们的杠杆在一个更复杂的计划中谋取利益，而内森则亲自拜访了一位富有的拉斯维加斯贡献者，以筹集额外的竞选资金。在篝火旁的悲惨转折之后，克莱尔不可思议的治疗能力受到了最终的考验，但根据伊萨克的画作，她的未来可能充满了更大的危险。

与此同时，马特的能力是由一对似乎非常了解有特殊天赋的人来衡量的。

尼基正在困惑自己怎么消失了一段时间，发现警察正在她家附近寻找她的逃亡丈夫D.L.霍金斯。克莱尔向父亲坦白。Hiro和他的朋友被一些拉斯维加斯的赌客揍飞起来。彼得从一个不太可能的来源收到一个改变人生的信息。与此同时，马特偷偷地利用他的读心能力来预测妻子的需求。苏雷什对最近的事件感到沮丧，他计划返回印度，将他父亲的遗体和研究工作都安葬。

Hiro和他的伙伴踏上了前往纽约的英雄之旅，当他们被一位拉斯维加斯赌客拦住时，他向他们提供了一笔他们无法拒绝的交易。当诺亚·贝内特为他的女儿克莱尔与她的亲生父母安排会面时，她希望有关她新发现的自愈问题能够得到解答。与此同时，艾萨克接到希罗的另一个令人困惑的电话，但彼得这次在那里拿起电话并转达一条拯救生命的信息。苏雷什告别了伊甸园，他回到印度埋葬了他的父亲。一位不速之客出现在尼基的家中。

面对涉及儿子迈卡的危机，心烦意乱的妮基向朋友透露了她最近的心路历程。马特抛开自己在家里的问题，协助奥黛丽调查另一起离奇的谋杀案，但他们对神秘连环杀手西拉的追捕发生了意想不到的转变。在面对危险时，希罗没有表现得像一个“超级英雄”，他质疑自己的英雄主义。内森和他的妻子海蒂策划如何赢得国会选举。克莱尔得知她丢失的录像带落在哪里，感到震惊。与此同时，她的父亲被一位同事的消息扰乱了。

班纳特先生想尽一切办法保护他的女儿，克莱尔高中同学会的庆祝活动对许多人来说变成了一个可怕的夜晚。内森和西蒙一起为彼得寻找艾萨克的画作，但这把通往未来的钥匙可能会导致悲剧。与此同时，希罗及时回到过去，纠正了一个令人苦恼的错误。在印度时仍在经历奇怪的梦，苏雷士得知一个男孩可能会把他拉回到父亲的研究中。

当所有“英雄”的时间倒退六个月时，莫希德的父亲钱德拉·苏雷什抵达纽约，开始寻找具有非凡能力的个人，并与渴望与众不同的人会面。彼得庆祝他从护理学校毕业，并得知内森计划起诉一个可能给全家带来麻烦的案件。尼基父亲的突然来访使得她的情况更加棘手。希罗试图成为一个英雄，为一个重要的人改变未来。克莱尔加入了啦啦队，却有了一个奇怪的发现。班纳特先生和海地人遇到了一个特别的人。

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.

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.

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.

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.

With the election and New York City'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.

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.

Peter falls in with Irish gangsters who know about his past. Hiro works to contain the damage caused by his journey into the past. Kensei's power will be revealed. Suresh locates and cures the Haitian. Matt investigates the murder of Mr. Nakamura. West comes to know of Claire's powers. Maya and Alejandro enter Mexico and find their powers more of a hindrance than a help.

Monica starts to exhibit new abilities while working with Micah, Nana, and Damon. Nana is the grandmother of Micah, Monica, and Damon. They all currently reside in New Orleans. Matt asks Molly to locate the man in her dreams. He may be the newest threat to the Heroes. Maya and Alejandro continue their trek to the U.S. Both Claire and her father are suspicious of one another. Angela reveals a lot of her secrets.

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.

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.

Peter travels to Primatech in Texas to destroy the virus, but not everything is what it seems. Hiro continues the pursuit of his father's killer, while Matt pursues the last Company member in the photo. Nikki is reunited with Micah but has bad news, while Maya has to choose to remain with Alejandro, or go with Sylar.

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.

After a look into the future, Nathan's shooter is revealed. Matt chases him and winds up in a desert. Hiro receives an important message from his father. Sylar visits Claire. Maya gives Mohinder an idea for his research. Nathan recovers and gets a visit from Linderman.

Sylar goes to the Company and inadvertently releases 12 super-powered criminals in a fight with Elle. Future Peter tries to fix his mistake. Angela takes over the company. Claire learns more about her powers. Hiro and Ando travel to Paris to track down the speedster who robbed them. Maya discovers that Mohinder's injection has changed him. Matt meats Usutu, an African with a familiar power.

HRG and his new partner go to a local bank heist with four villains; including Peter being trapped in one of them. Hiro and Ando track Daphne to Germany, and meet the Haitian. Tracy Strauss goes to New Orleans to find out more information about Niki. Meredith teaches Claire a lesson about fighting. Usutu shows Matt a series of paintings about him.

Claire decides to take on one of the villains herself, but she may not be as invulnerable as she believes. Nathan and Tracy search for the truth about their origins. Maya makes a shocking discovery. Hiro and Ando look for help in the most unlikely places.

Villains Knox and Daphne are on a quest to recruit Hiro and others to the Pinehearst fold. Angela and the Company are paralyzed from recent events. Peter goes to Pinehearst searching for answers but is stunned to learn who the founder is. Claire and Sandra go on a mission to save Meredith from the clutches of Doyle, a villain with abilities to control people mentally and physically. Nathan and Tracy try to trace their origins with Mohinder's help.

Trapped, Nathan and Tracy must fight to save their lives against Suresh, who has changed dramatically. Elle returns with shocking news for Claire and her family. Meanwhile, Angela tries to convince Sylar to save Peter; Daphne is ordered to kill Matt or she will be killed herself; and Hiro questions Usutu's advice.

The eclipse plays havoc with the heroes' powers. Arthur orders Elle and Sylar to bring in Claire. Hiro, Ando, and Matt follow Daphne to her hometown to learn what hold Arthur has on her, and Peter and Nathan travel to the Haitian's hometown to recruit him for the war with Pinehearst.

The eclipse continues to create chaos. Sylar and Elle face HRG's wrath. Peter, Nathan and the Haitian go up against Baron Samedi. Ando, Sam, and Frack try to help Hiro with his memory loss.

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.

Following a chain of unexpected events, our Heroes are on the run from their latest adversary and one of their own, Nathan Petrelli. After Matt paints a series of prophetic images, the tragic fate of someone close to him is revealed. Elsewhere, Sylar continues his search for his father and encounters a young outcast with information and an ability of his own.

Nathan's plans face exposure as Homeland Security begins an investigation under direct orders from the President of the United States. Sylar and Luke 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 goes into action to protect a young man with abilities from being captured by HRG. Elsewhere, Matt's prophetic images lead Hiro and Ando to India and a mysterious ally comes to the aid of our Heroes

While being held hostage, HRG is subjected to Matt Parkman's unique brand of interrogation, revealing how he became involved with Nathan's government plot to capture those with abilities. Meanwhile, Matt's discoveries bring Peter face-to-face with "The Hunter"

After receiving a tip from "Rebel", Matt and Peter race to Building 26 to rescue Daphne and recover files that will expose the government's plans for those with abilities. Claire finds help from an unlikely source in smuggling Alex out of the city. As Sylar and Luke continue their road trip, Sylar begins to have memories of his father that lead him to the truth about his mother. Meanwhile, "The Hunter" puts his own agenda into action with an explosive surprise for one of our heroes.

When Sylar comes face-to-face with his long lost father, the reunion proves to be what he least expected. Elsewhere, after receiving a tip from "Rebel", Claire must decide if she will help her sworn enemy, Eric Doyle, evade capture. Meanwhile, as "The Hunter" plans to uncover the Petrelli family's secrets and take control of Nathan's operation, Matt finds himself in the spotlight and on the verge of leveling Capitol Hill.

As Danko spearheads the government operation, someone close to him is put in the line of fire. HRG’s life continues to spiral out of control and his marriage is dangerously close to the breaking point. Meanwhile, Hiro and Ando continue their road trip with a special delivery for Matt Parkman. Elsewhere, Angela Petrelli unearths the demons of her past.

Claire, back home in California, begins attending college, but is having difficulty adjusting when a mysterious death of a student during the orientation puts her back in the spotlight. In Japan, Hiro and Ando continue their quest to help people with abilities and go so much as to advertise themselves. Meanwhile, Angela fears Nathan/Syler will discover his true identity. Matt tries to settle down back in Los Angeles and raise his son and not worry about unexpected visitors. Elsewhere, Peter is using his ability for good when a mysterious carnival clan, led by Samuel Sullivan, arrives in town which could spell trouble for him and everyone else.

Claire and her new friend Gretchen investigate the death of Claire's roommate Annie, while Noah comes to Peter for assistance. Samuel and Edgar recover the compass, Hiro realizes his new destiny, and Matt is tormented with mental images from a dangerous foe.

H.R.G. hosts an untraditional Thanksgiving dinner. Elsewhere, the Petrelli family gets a surprise guest at their table. Meanwhile, Samuel continues to hold Hiro hostage, as Lydia goes in search for the truth.

"The Wall" is the seventeenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-sixth episode overall. The episode aired on February 1, 2010.