Hawaii Five-0 (2010)

Ka i ka 'ino, no ka 'ino (10x11)

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(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. Also, After Adam’s ordeal in rescuing Tamiko and reconnecting with the Yakuza, he makes a bold decision about his future with Five-0.