About Hawaii Five-0 Season 9, Episode 1 : Ka ʻōwili ʻōka'i (Cocoon)

(Cocoon) After Steve’s CIA agent friend is killed, McGarrett lets himself be captured by the group he thinks is responsible and endures a torturous sensory deprivation tank to find the killer. Also, Tani wrestles with whether or not she will tell McGarrett about the murder weapon she found at Adam’s house. Guest Stars: Mark Dacascos, Rochelle Aytes, Jack Coleman, Roger Yuan, Lamont Thompson,