Hawaii Five-0 - Season 10 Episode 11 : Ka i ka 'ino, no ka 'ino (To Return Evil for Evil)

When Five-0 investigates a tourist helicopter that was shot down by a missile, they trace the stolen artillery to a ghost from McGarrett’s past. After Adam’s ordeal in rescuing Tamiko and reconnecting with the Yakuza, he makes a bold decision about his future with Five-0.