: Hiro is diagnosed with a brain tumor that is affecting his control over his powers. Peter Petrelli enlists the help of Noah Bennet (HRG) to find a healer named Jeremy Greer.
: Peter and Noah find Jeremy, whose healing power has dangerously manifested into the ability to kill with a touch. After an accidental altercation where Peter is shot, Noah convinces Jeremy to use his powers for good again, allowing Peter to mimic his healing ability and return to Hiro. Heroes subtitles English S04E06
: While hospitalized, Hiro helps Emma Coolidge, a deaf woman who can see sound as colors, understand and embrace her new ability. After seeing Emma play the piano, Hiro is inspired to right a past wrong and teleports away. : Hiro is diagnosed with a brain tumor
In the episode titled (Season 4, Episode 6), the story focuses on identity, redemption, and the search for healing. After an accidental altercation where Peter is shot,
: Peter returns to find Hiro gone, leaving only a note that reads, "Save Charlie." The episode ends with a flashback to three years ago at the Burnt Toast Diner with Charlie, signaling Hiro’s mission to save his lost love.
