Hawaii Five 0 — Episode 3: Kāu pahi, koʻu kua. Kāu pū, koʻu poʻo. (Your Knife, My Back. My Gun, Your Head.)

You are watching the episode Kāu pahi, koʻu kua. Kāu pū, koʻu poʻo. (Your Knife, My Back. My Gun, Your Head.) Five-0 enlists the help of an old friend when the boss of a major crime family is murdered, triggering revenge killings across the island. Also, MacGarrett and Danny begin sorting out particulars in their new restaurant venture,