When an Army ranger goes missing after returning from deployment, Magnum learns of the traumatic news he received upon arriving home and must find him before survivor’s guilt consumes him. Also, Higgins and Ethan solve the case of a missing engagement ring while on a mini-break, and Katsumoto tries spending quality time with his teenage son.
- Katsumoto is watching the show on television when he gets the call about his son.
- Dennis Katsumoto: [seeing all the prepared food] Was there a Bobby Flay Marathon on the Food Network?
- Detective Gordon Katsumoto: I'll have you know that I could cook that man under the table.
- 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
- Jared Paakula as Waiter
- Taylor Black as Erin Bates
- Anthony J. Silva, Jr. as Sgt. "Tatty" Ryce
- Tim Rock as Jared Kane
- Jennifer Say Gan as Leilani Kama
- Bryce Johnson as Andy Bates
- Rayton Lamay as Cabbie
- Debbie Fan as Mrs. Keahi
- Vai Richards as Mr. Keahi
- Calla Seraphina Kerns as Bella
- Alexandra Metz as Lanie
- Makalapua Ventura as Teen #1
- Sir Cornwell as Teen #2
- Stephen Scibetta as Owner