Hawaii Five 0 — Episode 1: Aloha Ke Kahi I Ke Kahi (We Need Each Another)

You are watching the episode Aloha Ke Kahi I Ke Kahi (We Need Each Another) After McGarrett and Wo Fat narrowly escape from maximum security, gunmen storm Five-0 headquarters, compromising Kono and Adam's secret location in Hong Kong and forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine.