Hawaii Five-0 - Season 10 - Eps 21: A ʻohe ia e loaʻa aku, he ulua kapapa no ka moana (He Cannot Be Caught for He Is an Ulua Fish of the Deep Ocean)
After Steve receives a posthumous letter from his mother that contains a cypher, Danny is attacked by someone willing to kill to steal it. Five-0 must help Lincoln Cole, an anonymous good Samaritan who’s in the crosshairs of some very dangerous people.
About Hawaii Five-0

Title: Hawaii Five-0
First Air Date: 2010-09-20
Last Air Date: 2020-04-03
Status: Ended
Rating: 7.754/10 (from 1785 votes)
Language: EN
Seasons: 11
Total Episodes: 240
Network: CBS
Genres: Crime, Drama, Action & Adventure
Production Companies: K/O Paper Products, 101st Street Entertainment, CBS Studios
Synopsis
Steve McGarrett returns home to Oahu, in order to find his father's killer. The governor offers him the chance to run his own task force (Five-0). Steve's team is joined by Chin Ho Kelly, Danny "Danno" Williams, and Kono Kalakaua.
Cast

Alex O'Loughlin
Steve McGarrett

Scott Caan
Danny 'Danno' Williams

Ian Anthony Dale
Adam Noshimuri

Meaghan Rath
Tani Rey

Beulah Koale
Junior Reigns

Dennis Chun
Duke Lukela

Kimee Balmilero
Dr. Noelani Cunha

Chi McBride
Lou Grover

Taylor Wily
Kamekona Tupuola

Katrina Law
Quinn Liu