Hawaii Five-0 2010 9 - Episode 22 - O Ke Kumu, O Ka Mana, Ho'opuka 'Ia

Part 1

Part 2

Part 3

Part 4

Adam investigates the murder of an undercover FBI agent who was about to wed the daughter of a Yakuza leader; Noelani is held hostage and forced, along with her mentor Dr. Chu, to operate at gunpoint on a criminal.