When an eclipse casts its shadow across the globe, a genetics professor in India is led by his father's disappearance to uncover a secret theory -- there are people with super powers living among us.
Outside a crime scene, Los Angeles cop Matt Parkman is the only one who can hear the cries of a missing little girl. Claire almost reveals her secret ability to the entire school after learning that her injury attempt tape disappeared.
Claire tries to maintain a normal social life when a romance with the football quarterback takes a tragic turn. While Hiro convinces his friend that they are destined to travel to America to save the world, a frightened Niki follows instructions from a mysterious, unknown source that directs her to the middle of the desert.
Suresh is confronted by Peter who wants his help in explaining the powers he seems to possess. He decides to prove it via Isaac who is in the midst of trying to save the world through his painting to avoid the nuclear explosion he predicted.
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 buddy embark on their heroic journey to New York, when they are stopped by the Vegas high-roller they cheated who offers them a deal they can't refuse.
Distraught over Micah being taken away, Niki reveals her recent personal struggles to a friend. She ends up welcoming her dark side to bring Micah back by going after D.
Back in India to mourn the passing of his father, Suresh has mysteriously vivid dreams of his father's past that force him to question what path to take next, especially when he encounters a young boy who appears in the dreams and his waking life.
As H.R.G. 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.
The clock is turned back to see all the of the Heroes six months prior. Mohinder's father, Chandra Suresh, arrives in New York to begin his quest to find individuals with extraordinary abilities, and meets the man who would become Sylar, all too eager to be special.
The tragic events in Texas have sad, serious repercussions for many of the heroes, their families and friends. Claire's dad wipes the memories of anyone who has knowledge of her abilties, including her brother and freind.
Picking up two weeks after recent events, Nathan's determination to save a comatose Peter forces him to turn to Simone for help. Isaac's puzzling "Hiro vs.
Chased by unknown assailants, Hiro's search for the sword takes a turn when his father appears. A cleaned-up Isaac dedicates himself to stopping New York's destruction -- and Peter.
Hiro struggles to make his father, a corporate tycoon, and ambitious sister understand his new heroic path in life. Niki is released form prison to be with D.
Matt enters the private security business and receives an objectionable client, marked for a hit by Linderman. Still indebted to Linderman, Jessica is hired to kill Matt's client and they come face to face which costs Matt his client and nearly his own life.
After they are attacked by HRG and the Haitian, Peter makes a daring escape. Peter learns that he and Claude were betrayed by Isaac and confronts him. A scuffle ensues and Simone gets shot in the process.
Matt Parkman and Ted Sprague take HRG and his family hostage as they search for answers. More is revealed via flashbacks about Mr. Bennett, the agency for which he works, how he met Claude (his former partner) and the Haitian, and how he found Claire.
With the election and NYC's destruction looming, Nathan has a disturbing face-to-face meeting with the shadowy Linderman. After Niki breaks free of Jessica's influence before she can kill him, he conspires with her to kill Linderman.
Sylar's rampage continues as Suresh and Peter battle the powerful serial killer, ending with Peter seemingly killed. Suresh takes him to his mother's house where Claire manages to revive him knowing he has her powers.
We are thrown five years in the future, the fifth anniversary of the New York explosion. Hiro and Ando meet Future Hiro. They discover that people with extraordinary abilities are not only widely known about but are being registered, imprisoned, hunted and even killed as "terrorists.
Now knowing what is at stake if they fail in their mission, Hiro and Ando's determination to save the world is put to the test. Hiro finds Sylar after finding Isaac's dead body at his hands.
Poised to become a member of Congress and maybe more, Nathan weighs sacrificing Peter and perhaps Claire to ensure Linderman’s prophecy, as his mother pushes him forward.
With Isaac's horrible predictions unfolding before them, the everyday people with extraordinary abilities face moments of pain and peril in Kirby Plaza with unflinching heroism.