This guide covers , titled " Kekoa " (Hawaiian for "The Brave One" or "The Warrior"). The episode originally aired on February 11, 2013. Episode Overview

The Five-0 task force investigates the murder of a local businessman and (ancient Hawaiian hand-to-hand combat) whose body is discovered in the trunk of a car. While the team dives into the world of underground fight clubs, McGarrett deals with family suspicions by hiring a private investigator to tail his mother. Key Plot Points

: Thomas Hoapili, a cousin of Kamekona Tupuola, is found dead. Though Kamekona initially seeks revenge, the team discovers Hoapili was forced into a high-stakes, secret underground fight club led by mixed martial artist Ramsey Pollack.

: Critics noted a heavy focus on local culture, featuring spots like the Ala Wai Golf Course and Hanauma Bay alongside the martial arts history.

: The plot emphasizes the brutality of the fight club, where spectators pay upwards of $100,000 to watch matches with no rules or referees. Kekoa (episode) - Hawaii Five-O Wiki | Fandom