Hawaii Five-0: Season 9, Episode 23

9 - 23: Ho‘okāhi no lā o ka malihini (A Stranger Only for a Day)

(A Stranger Only for a Day) 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.