Five-0 must investigate when there's a murder in an underwater lab on Hawaii Five-0. "Ke Iho Mai Nei Ko Luna (Those Above Are Descending)" is the 13th episode of the show's ninth season.
McGarrett: I can only imagine what you have been going through, but I can assume you're not ready to give up anytime soon. Mrs. Kamaka: No. McGarrett: Well, neither are we.