Pio ke kukui, poʻele ka hale (When the Light Goes Out, the House Is Dark)
After fighting off an assassin in his own home, McGarrett and Joe White flee to Montana to prepare for a battle against those exacting revenge for a past SEAL mission.
Episodes
21
He kama na ka pueo (Offspring of an Owl) 43
Five-0 investigates the murder of a man whose body may hold the key to a 20-year-old case involving a kidnapped girl whose father never stopped looking for her.
22
O ke kumu, o ka mana, hoʻopuka ʻia (The Teacher, The Pupil – Let It Come Forth) 43
While Adam investigates the murder of an undercover FBI agent 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.
23
Hoʻokahi no la o ka malihini (A Stranger Only for a Day) 42
While McGarrett helps his visiting sister, Mary, spy on her shady neighbors, Five-0 investigates the murders of a ride-share driver and his passenger. Also, the team teases the youngest members of Five-0 when Junior escorts Tani to a wedding.
24
Hewa ka lima (The Hand Is at Fault) 43
Fugitive hacker Aaron Wright resurfaces to ask Five-0 for help when his co-workers at the NSA, which he has been working for, are all murdered. Also, Junior speaks at the parole hearing of the drunk driver who killed his sister.
25
Hana Mao ʻole ka ua o Waianae (Endlessly Pours the Rain of Waianae) 42
Five-0 continues to hunt down escaped criminal Aaron Wright before he can sell cyber-weapons to the highest bidder. Also, the lives of McGarrett and the team are put in danger when a visitor comes to headquarters to make amends.
