Magnum investigates the murder of a man who, pre-death, hires Thomas to find his killer. Also, Kumu reconnects with an old friend.
- Kumu's real name is revealed to be Teuila Tuileta.
- The envelope Thomas receives is addressed
- Fordes and Becker Attorneys at Law 2213 Koula Street Honolulu, HI 96813
- Thomas Magnum 4155 Kalaniana'ole Hwy Waimanalo, hi 96795
- The streets exist, but the addresses are fictitious.
- Emmanuelle Vaugier is the guest appearance where she previously played as Erica Raines on Hawaii Five-0.
- Jay Hernandez as Thomas Magnum
- Perdita Weeks as Juliet Higgins
- Zachary Knighton as Orville "Rick" Wright
- Stephen Hill as Theodore "T.C." Calvin
- Tim Kang as Detective Gordon Katsumoto
- Amy Hill as Teuila Tuileta
- Emmanuelle Vaugier as Katrina Hayes
- Elijah Solis as Larry Hayes
- Alex Morris as Dennis Sterling
- Joe McGinn as Exasperated Worker
- Cathy Foy as Caroline
- Elissa Dulce as Kalea Sterling
- Jesse La Flair as Jayson Colfax
- Johnny Bahng as HPD Uni
- J. Anthony Pena as Randy Hamaka
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