CBS

Season 4: Episode 10 - Ho'onani Makuakane

Ho'onani Makuakane : McGarrett stops David, a Japanese man, from murdering a Pearl Harbor veteran at a remembrance service. David accuses the veteran of killing his father and stealing the family’s priceless katana. David recounts his internment story as Five-0 investigates the murder. Army reports are incomplete and compromised, but evidence from a homicide cop’s handwritten records leads the team to the brother of head guard at the internment camp . They successfully recover the katana. Meanwhile, McGarrett is emotionally caught up in the case when he learns David’s family has ties to his grandfather.